This Amendment No. 2 to Schedule 13D is being filed to reflect the disposition of shares decreasing Mr. Hammack’s holdings to less than 5% of the Common Stock of the Issuer. Only Items 2, 3 and 5 are being amended by this filing.

Item 2.      Identity and Background.  

        This statement is filed by Scott J. Hammack, a United States citizen. Mr. Hammack’s business address is 4623 Pond Apple Dr., S. Naples, Florida 34119. Mr. Hammack resigned as the Chief Executive Officer and Chairman of the Board of Directors of the Issuer effective January 3, 2004 and is not currently employed.

        The Issuer is a leading network security solutions provider to Fortune 1000 companies, major leading financial institutions, and government agencies worldwide. Through a combination of proprietary and third-party technology, authentication, virus scanning, encryption, advanced reporting, high availability and centralized management, the Issuer provides a full suite of products and services that are designed to protect the integrity of electronic data and customer applications from unauthorized individuals and digital thieves. The Issuer’s business address is 2000 West Commercial Blvd., Suite 200, Fort Lauderdale, Florida 33309.

        During the past five years, Mr. Hammack has not been convicted in any criminal proceedings.  

        During the past five years, Mr. Hammack has not been a party to any civil proceedings of a judicial or administrative body which has resulted in any judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Item 3.      Source and Amount of Funds or Other Consideration  

    Mr.   Hammack used personal funds to invest in the Issuer (“Investment”). The Investment consisted of Mr. Hammack’s investment of $250,000 in exchange for the issuance by the Issuer of (i) 142,857 shares of Common Stock at the price of $1.75 per share and (ii) a warrant representing the right to purchase 142,857 shares of Common Stock at the price of $1.75 per share through December 25, 2005 (“Warrant”), and another investment by Mr. Hammack of $250,000 in exchange for the issuance by the Issuer of 62,500 shares of Common Stock at the price of $4.00 per share.

        The above description of the terms and conditions of Mr. Hammack’s participation in the Investment transaction is qualified in its entirety to the complete description of such terms and conditions as set forth in the various Exhibits included as part of this filing.

        In addition to the above-described Investment, pursuant to various agreements between Mr. Hammack and the Issuer, Mr. Hammack has currently exercisable options to purchase 851,539 shares. Also, Mr. Hammack has currently 2,807 shares under the Issuer’s Employee Retirement Savings Plan.

Item 5.      Interest in Securities of the Issuer  

        As of the date of this filing, Mr. Hammack is the beneficial owner of 1,202,560 shares of Common Stock, which constitutes 4.8% of the outstanding Common Stock of the Issuer (based upon the number of shares outstanding as reported in the Issuer’s Definitive Proxy Statement on Schedule 14A as of the close of business of the record date of December 2003), considering as currently outstanding the 994,396 shares of Common Stock beneficially owned by Mr. Hammack which are issuable upon exercise of vested options and upon exercise of the Warrant.

    Mr.   Hammack has the sole power to vote or direct the vote and the sole power to dispose or to direct the disposition of 1,202,560 shares of Common Stock.

        The sale transactions described in the table below were effected on behalf of Mr. Hammack by his investment advisor Merrill Lynch & Co. according to the terms of Mr. Hammack’s Rule 10b5-1 Plan, and the exercise of certain of his options having an exercise price of $1.51, in open market sales resulting in a change in beneficial ownership by an amount greater than 1% of the Issuer’s outstanding common stock (and a reduction in aggregate beneficial ownership to less than 5%).