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  <P align="center" style="font-size: 10pt">As filed with the
  Securities and Exchange Commission on June 16, 2005
  
  
  
  <div align="right" style="font-size: 10pt">Registration No.&nbsp;333-_____
  </div>
  
  
  <DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  
  
  <P align="center" style="font-size: 14pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
  
  <DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
  </DIV>
  
  <P align="center" style="font-size: 18pt"><B>FORM S-8</B>
  
  <P align="center" style="font-size: 12pt"><B>REGISTRATION STATEMENT UNDER<BR>
  THE SECURITIES ACT OF 1933</B>
  
  <P align="center" style="font-size: 24pt"><B>RSA SECURITY INC.</B>
  
  
  
  <div align="center" style="font-size: 10pt">(Exact Name of Registrant as Specified in Its Charter)
  </div>
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
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      <TD width="45%">&nbsp;</TD>
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  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>Delaware<BR></B>
  (State or Other Jurisdiction of<BR>
  Incorporation or Organization)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top"><B>04-2916506<BR></B>
  (I.R.S. Employer<BR>
  Identification No.)</TD>
  </TR>
  <TR>
      <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>174 Middlesex Turnpike<BR>
  Bedford, Massachusetts<BR></B>
  (Address of Principal Executive Offices)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top"><B>01730<BR></B>
  (Zip Code)</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <P align="center" style="font-size: 12pt"><B>2005 STOCK INCENTIVE PLAN</B><BR>
  (Full Title of the Plan)
  
  
  
  <P align="center" style="font-size: 10pt"><B>ARTHUR W. COVIELLO, JR.<BR>
  President and Chief Executive Officer<BR>
  174 Middlesex Turnpike<BR>
  Bedford, Massachusetts 01730</B><BR>
  (Name and Address of Agent For Service)<BR>
  <B>(781)&nbsp;515-5000</B><BR>
  (Telephone Number, Including Area Code, of Agent For Service)
  
  
  
  <P align="center" style="font-size: 10pt"><B>CALCULATION OF REGISTRATION FEE</B>
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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  </TR><TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="21" style="border-bottom: 3px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size:10pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Proposed Maximum</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">&nbsp;</TD>
  </TR>
  <TR style="font-size:10pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="center">Title of Securities</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Amount to be</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Offering Price Per</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Aggregate Offering</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Amount of</TD>
  </TR>
  <TR style="font-size:10pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="center">to be Registered</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Registered(1)</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Share</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Price</TD>
      <TD>&nbsp;</TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center" colspan="2">Registration Fee</TD>
  </TR>
  
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      <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
  
  <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:0px">Common Stock, $0.01
  par value per share
  (including the
  associated Common
  Stock Purchase
  Rights)</DIV></TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD nowrap colspan="3" align="center" style="border-top: 2px solid #000000">6,900,000 shares</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
  
  <TD nowrap align="left" style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" style="border-top: 2px solid #000000">$11.885(2)</TD>
      <TD nowrap style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
  
  <TD nowrap align="left" style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" style="border-top: 2px solid #000000">$82,006,500(2)</TD>
      <TD nowrap style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" colspan="2" style="border-top: 2px solid #000000">$9,652.17</TD>
  
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="21" style="border-top: 3px solid #000000">&nbsp;</TD>
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  </DIV>
  
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  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="1%" nowrap align="left">(1)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>In accordance with Rule&nbsp;416 under the Securities Act of 1933, as amended, this registration
  statement shall be deemed to cover any additional securities that may from time to time be
  offered or issued to prevent dilution resulting from stock splits, stock dividends or similar
  transactions.</TD>
  </TR>
  
  </TABLE>
  
  
  <P>
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="1%" nowrap align="left">(2)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c)
  and 457(h) of the Securities Act of 1933, as amended, and based upon the average of the high
  and low prices of the Registrant&#146;s Common Stock as reported on the Nasdaq National Market on
  June&nbsp;9, 2005.</TD>
  </TR>
  
  </TABLE>
  
  
  <DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  
  
  
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  <!-- TOC -->
  <A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>
  
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  </TR>
  <TR><TD colspan="9"><A HREF="#000">PART I<BR> INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;1. Plan Information.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;2. Registrant Information and Employee Plan Annual Information.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#003">PART II<BR> INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#004">Item&nbsp;3. Incorporation of Documents by Reference.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#005">Item&nbsp;4. Description of Securities.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#006">Item&nbsp;5. Interests of Named Experts and Counsel.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#007">Item&nbsp;6. Indemnification of Directors and Officers.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#008">Item&nbsp;7. Exemption from Registration Claimed.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#009">Item&nbsp;8. Exhibits.</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#010">Item&nbsp;9. Undertakings.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#011">SIGNATURES</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#012">INDEX TO EXHIBITS</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b55473ipexv5.txt">EX-5 Opinion of Kathryn Leach, Esq.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b55473ipexv23w2.htm">EX-23.2 Consent of Independent Registered Public Accounting Firm</A></TD></TR>
  </TABLE>
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  <!-- link1 "PART I<BR> INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS" -->
  <DIV align="left"><A NAME="000"></A></DIV>
  
  <P align="center" style="font-size: 10pt"><B>PART I<BR>
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
  
  
  <!-- link2 "Item&nbsp;1. Plan Information." -->
  <DIV align="left"><A NAME="001"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;1. Plan Information.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The information required by Item&nbsp;1 is included in documents sent or given to participants in
  the plans covered by this registration statement pursuant to Rule&nbsp;428(b)(1) of the Securities Act
  of 1933, as amended (the &#147;Securities Act&#148;).
  
  <!-- link2 "Item&nbsp;2. Registrant Information and Employee Plan Annual Information." -->
  <DIV align="left"><A NAME="002"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;2. Registrant Information and Employee Plan Annual Information.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The written statement required by Item&nbsp;2 is included in documents sent or given to
  participants in the plans covered by this registration statement pursuant to Rule&nbsp;428(b)(1) of the
  Securities Act.
  
  <!-- link1 "PART II<BR> INFORMATION REQUIRED IN THE REGISTRATION STATEMENT" -->
  <DIV align="left"><A NAME="003"></A></DIV>
  
  <P align="center" style="font-size: 10pt"><B>PART II<BR>
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
  
  
  <!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference." -->
  <DIV align="left"><A NAME="004"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;3. Incorporation of Documents by Reference.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant is subject to the informational and reporting requirements of Sections&nbsp;13(a),
  14, and 15(d) of the Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), and in
  accordance therewith files reports, proxy statements and other information with the Securities and
  Exchange Commission (the &#147;Commission&#148;). The following documents, which are on file with the
  Commission, are incorporated in this registration statement by reference:
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant&#146;s latest annual report filed pursuant to Section 13(a) or 15(d) of the
  Exchange Act or the latest prospectus filed pursuant to Rule 424(b) under the Securities Act that
  contains audited financial statements for the Registrant&#146;s latest fiscal year for which such
  statements have been filed.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All other reports filed pursuant to Section 13(a) or 15(d) of the Exchange Act since the
  end of the fiscal year covered by the document referred to in (a)&nbsp;above.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The description of the securities contained in the Registrant&#146;s registration statements on
  Form 8-A filed under the Exchange Act, including any amendment or report filed for the purpose of
  updating such description.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by the Registrant pursuant to Sections&nbsp;13(a), 13(c), 14 and
  15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that
  all securities offered hereby have been sold or which deregisters all securities then remaining
  unsold, shall be deemed to be incorporated by reference in this registration statement and to be
  part hereof from the date of the filing of such documents. Any statement contained in a document
  incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or
  superseded for the purposes of this registration statement to the extent that a statement contained
  herein or in any other subsequently filed document which also is or is deemed to be incorporated by
  reference herein modifies or supersedes such statement. Any statement so modified or superseded
  shall not be deemed, except as so modified or superseded, to constitute a part of this registration
  statement.
  
  <!-- link2 "Item&nbsp;4. Description of Securities." -->
  <DIV align="left"><A NAME="005"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;4. Description of Securities.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
  
  
  <P align="center" style="font-size: 10pt">-1-
  </DIV>
  
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  <DIV style="font-family: 'Times New Roman',Times,serif">
  <!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel." -->
  <DIV align="left"><A NAME="006"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;5. Interests of Named Experts and Counsel.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Kathryn L. Leach, Assistant General Counsel of the Registrant, has opined as to the legality
  of the securities being offered by this registration statement. Ms.&nbsp;Leach owns 506 shares of the
  Registrant&#146;s common stock and options to purchase an aggregate of 21,010 shares of the Registrant&#146;s
  common stock, which become exerciseable in periodic installments through 2013.
  
  <!-- link2 "Item&nbsp;6. Indemnification of Directors and Officers." -->
  <DIV align="left"><A NAME="007"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;6. Indemnification of Directors and Officers.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;EIGHTH of the Registrant&#146;s Third Restated Certificate of Incorporation, as amended
  (the &#147;Restated Certificate of Incorporation&#148;), provides that no director of the Registrant shall be
  personally liable for any monetary damages for any breach of fiduciary duty as a director, except
  to the extent that the Delaware General Corporation Law prohibits the elimination or limitation of
  liability of directors for breach of fiduciary duty.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;NINTH of the Registrant&#146;s Restated Certificate of Incorporation provides that a
  director or officer of the Registrant (a)&nbsp;shall be indemnified by the Registrant against all
  expenses (including attorneys&#146; fees), judgments, fines and amounts paid in settlement incurred in
  connection with any litigation or other legal proceeding (other than an action by or in the right
  of the Registrant) brought against him by virtue of his position as a director or officer of the
  Registrant if he acted in good faith and in a manner he reasonably believed to be in, or not
  opposed to, the best interests of the Registrant, and, with respect to any criminal action or
  proceeding, had no reasonable cause to believe his conduct was unlawful and (b)&nbsp;shall be
  indemnified by the Registrant against all expenses (including attorneys&#146; fees) and amounts paid in
  settlement incurred in connection with any action by or in the right of the Registrant brought
  against him by virtue of his position as a director or officer of the Registrant if he acted in
  good faith and in a manner he reasonably believed to be in, or not opposed to, the best interests
  of the Registrant, except that no indemnification shall be made with respect to any matter as to
  which such person shall have been adjudged to be liable to the Registrant, unless a court
  determines that, despite such adjudication but in view of all of the circumstances, he is entitled
  to indemnification of such expenses. Notwithstanding the foregoing, to the extent that a director
  or officer has been successful, on the merits or otherwise, including, without limitation, the
  dismissal of an action without prejudice, he is required to be indemnified by the Registrant
  against all expenses (including attorneys&#146; fees) incurred in connection therewith. Expenses shall
  be advanced to a director or officer at his request, provided that he undertakes to repay the
  amount advanced if it is ultimately determined that he is not entitled to indemnification for such
  expenses.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indemnification is required to be made unless the Registrant determines that the applicable
  standard of conduct required for indemnification has not been met. In the event of a determination
  by the Registrant that the director or officer did not meet the applicable standard of conduct
  required for indemnification, or if the Registrant fails to make an indemnification payment within
  60&nbsp;days after such payment is claimed by such person, such person is permitted to petition the
  court to make an independent determination as to whether such person is entitled to
  indemnification. As a condition precedent to the right of indemnification, the director or officer
  must give the Registrant notice of the action for which indemnity is sought and the Registrant has
  the right to participate in such action or assume the defense thereof.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Article&nbsp;NINTH of the Registrant&#146;s Restated Certificate of Incorporation further provides that
  the indemnification provided therein is not exclusive, and provides that in the event that the
  Delaware General Corporation Law is amended to expand the indemnification permitted to directors or
  officers the Registrant must indemnify those persons to the fullest extent permitted by such law as
  so amended.
  
  
  <P align="center" style="font-size: 10pt">-2-
  </DIV>
  
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  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 of the Delaware General Corporation Law, as amended, provides that a corporation
  may indemnify any person who was or is a party or is threatened to be made a party to any
  threatened, pending or completed action, suit or proceeding, whether civil, criminal,
  administrative or investigative (other than an action by or in the right of the corporation) by
  reason of the fact that he is or was a director, officer, employee or agent of the corporation, or
  is or was serving at the request of the corporation as a director, officer, employee or agent of
  another corporation, partnership, joint venture, trust or other enterprise, against expenses
  (including attorneys&#146; fees), judgments, fines and amounts paid in settlement actually and
  reasonably incurred by him in connection with such action, suit or proceeding if he acted in good
  faith and in a manner he reasonably believed to be in or not opposed to the best interests of the
  corporation, and, with respect to any criminal action or proceeding, had no reasonable cause to
  believe his conduct was unlawful.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 further provides that a corporation similarly may indemnify any person who was or
  is a party or is threatened to be made a party to any threatened, pending or completed action or
  suit by or in the right of the corporation to procure a judgment in its favor by reason of the fact
  that he is or was a director, officer, employee or agent of the corporation, or is or was serving
  at the request of the corporation as a director, officer, employee or agent of another corporation,
  partnership, joint venture, trust or other enterprise, against expenses (including attorneys&#146; fees)
  actually and reasonably incurred by him in connection with the defense or settlement of such action
  or suit if he acted in good faith and in a manner he reasonably believed to be in or not opposed to
  the best interests of the corporation, except that no indemnification shall be made in respect of
  any claim, issue or matter as to which such person shall have been adjudged to be liable to the
  corporation unless and only to the extent that the Delaware Court of Chancery or the court in which
  such action or suit was brought shall determine upon application that, despite an adjudication of
  liability but in view of all the circumstances of the case, such person is fairly and reasonably
  entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem
  proper.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant has directors and officers liability insurance for the benefit of its directors
  and officers.
  
  <!-- link2 "Item&nbsp;7. Exemption from Registration Claimed." -->
  <DIV align="left"><A NAME="008"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;7. Exemption from Registration Claimed.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
  
  <!-- link2 "Item&nbsp;8. Exhibits." -->
  <DIV align="left"><A NAME="009"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;8. Exhibits.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Exhibit&nbsp;Index immediately preceding the exhibits is incorporated herein by reference.
  
  <!-- link2 "Item&nbsp;9. Undertakings." -->
  <DIV align="left"><A NAME="010"></A></DIV>
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Item&nbsp;9. Undertakings.</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U><I>Item&nbsp;</I><I>512(a)</I><I> of Regulation&nbsp;S-K</I></U>. The undersigned Registrant hereby undertakes:
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To file, during any period in which offers or sales are being made, a
  post-effective amendment to this registration statement:
  
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act;
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; To reflect in the prospectus any facts or events arising after the effective date
  of the registration statement (or the most recent post-effective amendment thereof) which,
  
  
  <P align="center" style="font-size: 10pt">-3-
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">individually or in the aggregate, represent a fundamental change in the information set
  forth in the registration statement; and
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To include any material information with respect to the plan of distribution not
  previously disclosed in the registration statement or any material change to such
  information in the registration statement;
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt"><I>provided, however, </I>that paragraphs (i)&nbsp;and (ii)&nbsp;do not apply if the information required to
  be included in a post-effective amendment by those paragraphs is contained in periodic
  reports filed with or furnished to the Commission by the Registrant pursuant to Section&nbsp;13
  or Section 15(d) of the Exchange Act that are incorporated by reference in the registration
  statement.
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; That, for the purpose of determining any liability under the Securities Act, each
  such post-effective amendment shall be deemed to be a new registration statement relating to
  the securities offered therein, and the offering of such securities at that time shall be
  deemed to be the initial <I>bona fide </I>offering thereof.
  
  
  
  <P align="left" style="margin-left:3%; font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; To remove from registration by means of a post-effective amendment any of the
  securities being registered which remain unsold at the termination of the offering.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U><I>Item&nbsp;</I><I>512(b)</I><I> of Regulation&nbsp;S-K</I></U>. The undersigned Registrant hereby undertakes that,
  for purposes of determining any liability under the Securities Act, each filing of the Registrant&#146;s
  annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act that is incorporated
  by reference in the registration statement shall be deemed to be a new registration statement
  relating to the securities offered therein, and the offering of such securities at that time shall
  be deemed to be the initial <I>bona fide </I>offering thereof.
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U><I>Item&nbsp;</I><I>512(h)</I><I> of Regulation&nbsp;S-K</I></U>. Insofar as indemnification for liabilities arising
  under the Securities Act may be permitted to directors, officers and controlling persons of the
  Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that
  in the opinion of the Securities and Exchange Commission such indemnification is against public
  policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a
  claim for indemnification against such liabilities (other than the payment by the Registrant of
  expenses incurred or paid by a director, officer or controlling person of the Registrant in the
  successful defense of any action, suit or proceeding) is asserted by such director, officer or
  controlling person in connection with the securities being registered, the Registrant will, unless
  in the opinion of its counsel the matter has been settled by controlling precedent, submit to a
  court of appropriate jurisdiction the question whether such indemnification by it is against public
  policy as expressed in the Securities Act and will be governed by the final adjudication of such
  issue.
  
  
  
  <P align="center" style="font-size: 10pt">-4-
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <P><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  
  
  </TABLE>
  
  <!-- link1 "SIGNATURES" -->
  <DIV align="left"><A NAME="011"></A></DIV>
  
  <P align="center" style="font-size: 10pt"><B>SIGNATURES</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this registration statement to be signed on its behalf by the undersigned,
  thereunto duly authorized, in the Town of Bedford, Massachusetts, on
  this 16th day of June, 2005.
  
  
  
  <TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
  <TR>
      <TD width="48%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="35%">&nbsp;</TD>
      <TD width="15%">&nbsp;</TD>
  </TR>
  <TR>
      <TD valign="top" align="left">&nbsp;</TD>
      <TD colspan="3" align="left">RSA SECURITY INC.<BR>
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD valign="top">By:&nbsp;&nbsp;</TD>
      <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Arthur W. Coviello, Jr.
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD colspan="2" align="left">Arthur W. Coviello, Jr.&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR>
  <TR>
      <TD colspan="5">&nbsp;</TD>
  </TR>
  </TABLE>
  
  
  
  <P align="center" style="font-size: 10pt"><B>POWER OF ATTORNEY AND SIGNATURES</B>
  
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We, the undersigned officers and directors of RSA Security Inc., hereby severally constitute
  and appoint Arthur W. Coviello, Jr., Jeffrey D. Glidden and Margaret K. Seif, and each of them
  singly, our true and lawful attorneys with full power to them, and each of them singly, to sign for
  us and in our names in the capacities indicated below, the registration statement on Form S-8 filed
  herewith and any and all subsequent amendments to said registration statement, and generally to do
  all such things in our names and on our behalf in our capacities as officers and directors to
  enable RSA Security Inc. to comply with the provisions of the Securities Act of 1933, as amended,
  and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our
  signatures as they may be signed by our said attorneys, or any of them, to said registration
  statement and any and all amendments thereto.
  
  
  <P align="left" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
  been signed by the following persons in the capacities and on the dates indicated.
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="25%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="35%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="25%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">
      <TD nowrap align="center"><B><U>Signature</U></B></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><B><U>Title</U></B></TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><B><U>Date</U></B></TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR>
      <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" nowrap valign="top">/s/ Arthur W. Coviello, Jr.
  <HR size="1" noshade color="#000000">
  Arthur W. Coviello, Jr.</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  President, Chief Executive Officer and<BR>
  Director (Principal Executive Officer)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Jeffrey D. Glidden
  <HR size="1" noshade color="#000000">
  Jeffrey D. Glidden</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Senior Vice President, Finance and<BR>
  Operations, Treasurer and Chief Financial<BR>
  Officer (Principal Financial Officer)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ John M. Parsons
  <HR size="1" noshade color="#000000">
  John M. Parsons</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Vice President, Finance and Accounting<BR>
  (Principal Accounting Officer)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <P align="center" style="font-size: 10pt">-5-
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="25%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="35%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="25%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">
  
  <TD nowrap align="center"><B><U>Signature</U></B></TD>
      <TD>&nbsp;</TD>
  
  <TD nowrap align="center"><B><U>Title</U></B></TD>
      <TD>&nbsp;</TD>
  
  <TD nowrap align="center"><B><U>Date</U></B></TD>
  
  
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Robert P. Badavas
  <HR size="1" noshade color="#000000">
  Robert P. Badavas</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Richard A. DeMillo
  <HR size="1" noshade color="#000000">
  Richard A. DeMillo</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Richard L. Earnest
  <HR size="1" noshade color="#000000">
  Richard L. Earnest</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Gloria C. Larson
  <HR size="1" noshade color="#000000">
  Gloria C. Larson</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Joseph B. Lassiter, III
  <HR size="1" noshade color="#000000">
  Joseph B. Lassiter, III</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <TR valign="bottom" style="padding-top: 1em">
      <TD align="left" nowrap valign="top">/s/ Charles R. Stuckey, Jr.
  <HR size="1" noshade color="#000000">
  Charles R. Stuckey, Jr.</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">
  Director
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">June 16, 2005</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <P align="center" style="font-size: 10pt">-6-
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  <!-- link1 "INDEX TO EXHIBITS" -->
  <DIV align="left"><A NAME="012"></A></DIV>
  
  <P align="center" style="font-size: 10pt"><B>INDEX TO EXHIBITS</B>
  
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="10%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="85%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 10pt" valign="bottom">
  
  <TD nowrap align="left"><U>Number</U></TD>
      <TD>&nbsp;</TD>
  
  <TD nowrap align="left"><U>Description</U></TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR>
      <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3(1)
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Rights Agreement dated as of July&nbsp;20, 1999 between the Registrant
  and State Street Bank and Trust Company as Rights Agent, which
  includes as Exhibit&nbsp;A the Form of Rights Certificate and as Exhibit
  B the Summary of Rights to Purchase Common Stock</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Opinion of Kathryn L. Leach, Esq., Assistant General Counsel of the
  Registrant</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Kathryn L. Leach, Esq. (included in Exhibit&nbsp;5)</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Independent Registered
  Public Accounting Firm</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Power of attorney (included on the signature pages of this
  registration statement)</TD>
  </TR>
  <TR>
      <TD>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <P>
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  
  <TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
      <TD width="1%" nowrap align="left">(1)</TD>
      <TD width="3%">&nbsp;</TD>
      <TD>Previously filed with the Securities and Exchange Commission as Exhibit&nbsp;1 to the
  Registrant&#146;s Registration Statement on Form 8-A (File No.&nbsp;000-25120) and incorporated
  herein by reference.</TD>
  </TR>
  
  </TABLE>
  
  
  
  </DIV>
  
  
  </BODY>
  </HTML>
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text: RSA Security Inc.
  Table of Contents
  As filed with the
  Securities and Exchange Commission on June 16, 2005
  Registration No. 333-_____
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM S-8
  REGISTRATION STATEMENT UNDER
  THE SECURITIES ACT OF 1933
  RSA SECURITY INC.
  (Exact Name of Registrant as Specified in Its Charter)
  Delaware
  (State or Other Jurisdiction of
  Incorporation or Organization)
  04-2916506
  (I.R.S. Employer
  Identification No.)
  174 Middlesex Turnpike
  Bedford, Massachusetts
  (Address of Principal Executive Offices)
  01730
  (Zip Code)
  2005 STOCK INCENTIVE PLAN
  (Full Title of the Plan)
  ARTHUR W. COVIELLO, JR.
  President and Chief Executive Officer
  174 Middlesex Turnpike
  Bedford, Massachusetts 01730
  (Name and Address of Agent For Service)
  (781) 515-5000
  (Telephone Number, Including Area Code, of Agent For Service)
  CALCULATION OF REGISTRATION FEE
  Proposed Maximum
  Proposed Maximum
  Title of Securities
  Amount to be
  Offering Price Per
  Aggregate Offering
  Amount of
  to be Registered
  Registered(1)
  Share
  Price
  Registration Fee
  Common Stock, $0.01
  par value per share
  (including the
  associated Common
  Stock Purchase
  Rights)
  6,900,000 shares
  $11.885(2)
  $82,006,500(2)
  $9,652.17
  (1)
  In accordance with Rule 416 under the Securities Act of 1933, as amended, this registration
  statement shall be deemed to cover any additional securities that may from time to time be
  offered or issued to prevent dilution resulting from stock splits, stock dividends or similar
  transactions.
  (2)
  Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c)
  and 457(h) of the Securities Act of 1933, as amended, and based upon the average of the high
  and low prices of the Registrant's Common Stock as reported on the Nasdaq National Market on
  June 9, 2005.
  TABLE OF CONTENTS
  PART I
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
  Item 1. Plan Information.
  Item 2. Registrant Information and Employee Plan Annual Information.
  PART II
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  Item 3. Incorporation of Documents by Reference.
  Item 4. Description of Securities.
  Item 5. Interests of Named Experts and Counsel.
  Item 6. Indemnification of Directors and Officers.
  Item 7. Exemption from Registration Claimed.
  Item 8. Exhibits.
  Item 9. Undertakings.
  SIGNATURES
  INDEX TO EXHIBITS
  EX-5 Opinion of Kathryn Leach, Esq.
  EX-23.2 Consent of Independent Registered Public Accounting Firm
  Table of Contents
  PART I
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
  Item 1. Plan Information.
  The information required by Item 1 is included in documents sent or given to participants in
  the plans covered by this registration statement pursuant to Rule 428(b)(1) of the Securities Act
  of 1933, as amended (the "Securities Act").
  Item 2. Registrant Information and Employee Plan Annual Information.
  The written statement required by Item 2 is included in documents sent or given to
  participants in the plans covered by this registration statement pursuant to Rule 428(b)(1) of the
  Securities Act.
  PART II
  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
  Item 3. Incorporation of Documents by Reference.
  The Registrant is subject to the informational and reporting requirements of Sections 13(a),
  14, and 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and in
  accordance therewith files reports, proxy statements and other information with the Securities and
  Exchange Commission (the "Commission"). The following documents, which are on file with the
  Commission, are incorporated in this registration statement by reference:
  (a)      The Registrant's latest annual report filed pursuant to Section 13(a) or 15(d) of the
  Exchange Act or the latest prospectus filed pursuant to Rule 424(b) under the Securities Act that
  contains audited financial statements for the Registrant's latest fiscal year for which such
  statements have been filed.
  (b)      All other reports filed pursuant to Section 13(a) or 15(d) of the Exchange Act since the
  end of the fiscal year covered by the document referred to in (a) above.
  (c)      The description of the securities contained in the Registrant's registration statements on
  Form 8-A filed under the Exchange Act, including any amendment or report filed for the purpose of
  updating such description.
  All documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14 and
  15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that
  all securities offered hereby have been sold or which deregisters all securities then remaining
  unsold, shall be deemed to be incorporated by reference in this registration statement and to be
  part hereof from the date of the filing of such documents. Any statement contained in a document
  incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or
  superseded for the purposes of this registration statement to the extent that a statement contained
  herein or in any other subsequently filed document which also is or is deemed to be incorporated by
  reference herein modifies or supersedes such statement. Any statement so modified or superseded
  shall not be deemed, except as so modified or superseded, to constitute a part of this registration
  statement.
  Item 4. Description of Securities.
  Not applicable.
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  Item 5. Interests of Named Experts and Counsel.
  Kathryn L. Leach, Assistant General Counsel of the Registrant, has opined as to the legality
  of the securities being offered by this registration statement. Ms. Leach owns 506 shares of the
  Registrant's common stock and options to purchase an aggregate of 21,010 shares of the Registrant's
  common stock, which become exerciseable in periodic installments through 2013.
  Item 6. Indemnification of Directors and Officers.
  Article EIGHTH of the Registrant's Third Restated Certificate of Incorporation, as amended
  (the "Restated Certificate of Incorporation"), provides that no director of the Registrant shall be
  personally liable for any monetary damages for any breach of fiduciary duty as a director, except
  to the extent that the Delaware General Corporation Law prohibits the elimination or limitation of
  liability of directors for breach of fiduciary duty.
  Article NINTH of the Registrant's Restated Certificate of Incorporation provides that a
  director or officer of the Registrant (a) shall be indemnified by the Registrant against all
  expenses (including attorneys' fees), judgments, fines and amounts paid in settlement incurred in
  connection with any litigation or other legal proceeding (other than an action by or in the right
  of the Registrant) brought against him by virtue of his position as a director or officer of the
  Registrant if he acted in good faith and in a manner he reasonably believed to be in, or not
  opposed to, the best interests of the Registrant, and, with respect to any criminal action or
  proceeding, had no reasonable cause to believe his conduct was unlawful and (b) shall be
  indemnified by the Registrant against all expenses (including attorneys' fees) and amounts paid in
  settlement incurred in connection with any action by or in the right of the Registrant brought
  against him by virtue of his position as a director or officer of the Registrant if he acted in
  good faith and in a manner he reasonably believed to be in, or not opposed to, the best interests
  of the Registrant, except that no indemnification shall be made with respect to any matter as to
  which such person shall have been adjudged to be liable to the Registrant, unless a court
  determines that, despite such adjudication but in view of all of the circumstances, he is entitled
  to indemnification of such expenses. Notwithstanding the foregoing, to the extent that a director
  or officer has been successful, on the merits or otherwise, including, without limitation, the
  dismissal of an action without prejudice, he is required to be indemnified by the Registrant
  against all expenses (including attorneys' fees) incurred in connection therewith. Expenses shall
  be advanced to a director or officer at his request, provided that he undertakes to repay the
  amount advanced if it is ultimately determined that he is not entitled to indemnification for such
  expenses.
  Indemnification is required to be made unless the Registrant determines that the applicable
  standard of conduct required for indemnification has not been met. In the event of a determination
  by the Registrant that the director or officer did not meet the applicable standard of conduct
  required for indemnification, or if the Registrant fails to make an indemnification payment within
  60 days after such payment is claimed by such person, such person is permitted to petition the
  court to make an independent determination as to whether such person is entitled to
  indemnification. As a condition precedent to the right of indemnification, the director or officer
  must give the Registrant notice of the action for which indemnity is sought and the Registrant has
  the right to participate in such action or assume the defense thereof.
  Article NINTH of the Registrant's Restated Certificate of Incorporation further provides that
  the indemnification provided therein is not exclusive, and provides that in the event that the
  Delaware General Corporation Law is amended to expand the indemnification permitted to directors or
  officers the Registrant must indemnify those persons to the fullest extent permitted by such law as
  so amended.
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  Section 145 of the Delaware General Corporation Law, as amended, provides that a corporation
  may indemnify any person who was or is a party or is threatened to be made a party to any
  threatened, pending or completed action, suit or proceeding, whether civil, criminal,
  administrative or investigative (other than an action by or in the right of the corporation) by
  reason of the fact that he is or was a director, officer, employee or agent of the corporation, or
  is or was serving at the request of the corporation as a director, officer, employee or agent of
  another corporation, partnership, joint venture, trust or other enterprise, against expenses
  (including attorneys' fees), judgments, fines and amounts paid in settlement actually and
  reasonably incurred by him in connection with such action, suit or proceeding if he acted in good
  faith and in a manner he reasonably believed to be in or not opposed to the best interests of the
  corporation, and, with respect to any criminal action or proceeding, had no reasonable cause to
  believe his conduct was unlawful.
  Section 145 further provides that a corporation similarly may indemnify any person who was or
  is a party or is threatened to be made a party to any threatened, pending or completed action or
  suit by or in the right of the corporation to procure a judgment in its favor by reason of the fact
  that he is or was a director, officer, employee or agent of the corporation, or is or was serving
  at the request of the corporation as a director, officer, employee or agent of another corporation,
  partnership, joint venture, trust or other enterprise, against expenses (including attorneys' fees)
  actually and reasonably incurred by him in connection with the defense or settlement of such action
  or suit if he acted in good faith and in a manner he reasonably believed to be in or not opposed to
  the best interests of the corporation, except that no indemnification shall be made in respect of
  any claim, issue or matter as to which such person shall have been adjudged to be liable to the
  corporation unless and only to the extent that the Delaware Court of Chancery or the court in which
  such action or suit was brought shall determine upon application that, despite an adjudication of
  liability but in view of all the circumstances of the case, such person is fairly and reasonably
  entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem
  proper.
  The Registrant has directors and officers liability insurance for the benefit of its directors
  and officers.
  Item 7. Exemption from Registration Claimed.
  Not applicable.
  Item 8. Exhibits.
  The Exhibit Index immediately preceding the exhibits is incorporated herein by reference.
  Item 9. Undertakings.
  1.
  Item
  512(a)
  of Regulation S-K
  . The undersigned Registrant hereby undertakes:
  (1)      To file, during any period in which offers or sales are being made, a
  post-effective amendment to this registration statement:
  (i)      To include any prospectus required by Section 10(a)(3) of the Securities Act;
  (ii)      To reflect in the prospectus any facts or events arising after the effective date
  of the registration statement (or the most recent post-effective amendment thereof) which,
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  individually or in the aggregate, represent a fundamental change in the information set
  forth in the registration statement; and
  (iii)      To include any material information with respect to the plan of distribution not
  previously disclosed in the registration statement or any material change to such
  information in the registration statement;
  provided, however,
  that paragraphs (i) and (ii) do not apply if the information required to
  be included in a post-effective amendment by those paragraphs is contained in periodic
  reports filed with or furnished to the Commission by the Registrant pursuant to Section 13
  or Section 15(d) of the Exchange Act that are incorporated by reference in the registration
  statement.
  (2)      That, for the purpose of determining any liability under the Securities Act, each
  such post-effective amendment shall be deemed to be a new registration statement relating to
  the securities offered therein, and the offering of such securities at that time shall be
  deemed to be the initial
  bona fide
  offering thereof.
  (3)      To remove from registration by means of a post-effective amendment any of the
  securities being registered which remain unsold at the termination of the offering.
  2.
  Item
  512(b)
  of Regulation S-K
  . The undersigned Registrant hereby undertakes that,
  for purposes of determining any liability under the Securities Act, each filing of the Registrant's
  annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act that is incorporated
  by reference in the registration statement shall be deemed to be a new registration statement
  relating to the securities offered therein, and the offering of such securities at that time shall
  be deemed to be the initial
  bona fide
  offering thereof.
  3.
  Item
  512(h)
  of Regulation S-K
  . Insofar as indemnification for liabilities arising
  under the Securities Act may be permitted to directors, officers and controlling persons of the
  Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that
  in the opinion of the Securities and Exchange Commission such indemnification is against public
  policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a
  claim for indemnification against such liabilities (other than the payment by the Registrant of
  expenses incurred or paid by a director, officer or controlling person of the Registrant in the
  successful defense of any action, suit or proceeding) is asserted by such director, officer or
  controlling person in connection with the securities being registered, the Registrant will, unless
  in the opinion of its counsel the matter has been settled by controlling precedent, submit to a
  court of appropriate jurisdiction the question whether such indemnification by it is against public
  policy as expressed in the Securities Act and will be governed by the final adjudication of such
  issue.
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  SIGNATURES
  Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this registration statement to be signed on its behalf by the undersigned,
  thereunto duly authorized, in the Town of Bedford, Massachusetts, on
  this 16th day of June, 2005.
  RSA SECURITY INC.
  By:
  /s/ Arthur W. Coviello, Jr.
  Arthur W. Coviello, Jr.
  President and Chief Executive Officer
  POWER OF ATTORNEY AND SIGNATURES
  We, the undersigned officers and directors of RSA Security Inc., hereby severally constitute
  and appoint Arthur W. Coviello, Jr., Jeffrey D. Glidden and Margaret K. Seif, and each of them
  singly, our true and lawful attorneys with full power to them, and each of them singly, to sign for
  us and in our names in the capacities indicated below, the registration statement on Form S-8 filed
  herewith and any and all subsequent amendments to said registration statement, and generally to do
  all such things in our names and on our behalf in our capacities as officers and directors to
  enable RSA Security Inc. to comply with the provisions of the Securities Act of 1933, as amended,
  and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our
  signatures as they may be signed by our said attorneys, or any of them, to said registration
  statement and any and all amendments thereto.
  Pursuant to the requirements of the Securities Act of 1933, this registration statement has
  been signed by the following persons in the capacities and on the dates indicated.
  Signature
  Title
  Date
  /s/ Arthur W. Coviello, Jr.
  Arthur W. Coviello, Jr.
  President, Chief Executive Officer and
  Director (Principal Executive Officer)
  June 16, 2005
  /s/ Jeffrey D. Glidden
  Jeffrey D. Glidden
  Senior Vice President, Finance and
  Operations, Treasurer and Chief Financial
  Officer (Principal Financial Officer)
  June 16, 2005
  /s/ John M. Parsons
  John M. Parsons
  Vice President, Finance and Accounting
  (Principal Accounting Officer)
  June 16, 2005
  -5-
  Table of Contents
  Signature
  Title
  Date
  /s/ Robert P. Badavas
  Robert P. Badavas
  Director
  June 16, 2005
  /s/ Richard A. DeMillo
  Richard A. DeMillo
  Director
  June 16, 2005
  /s/ Richard L. Earnest
  Richard L. Earnest
  Director
  June 16, 2005
  /s/ Gloria C. Larson
  Gloria C. Larson
  Director
  June 16, 2005
  /s/ Joseph B. Lassiter, III
  Joseph B. Lassiter, III
  Director
  June 16, 2005
  /s/ Charles R. Stuckey, Jr.
  Charles R. Stuckey, Jr.
  Director
  June 16, 2005
  -6-
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  INDEX TO EXHIBITS
  Number
  Description
  4.3(1)
  Rights Agreement dated as of July 20, 1999 between the Registrant
  and State Street Bank and Trust Company as Rights Agent, which
  includes as Exhibit A the Form of Rights Certificate and as Exhibit
  B the Summary of Rights to Purchase Common Stock
  5
  Opinion of Kathryn L. Leach, Esq., Assistant General Counsel of the
  Registrant
  23.1
  Consent of Kathryn L. Leach, Esq. (included in Exhibit 5)
  23.2
  Consent of Independent Registered
  Public Accounting Firm
  24
  Power of attorney (included on the signature pages of this
  registration statement)
  (1)
  Previously filed with the Securities and Exchange Commission as Exhibit 1 to the
  Registrant's Registration Statement on Form 8-A (File No. 000-25120) and incorporated
  herein by reference.