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Symantec's Norton AntiSpam 2004 Wins CNET Editors' Choice Award

Editors Commend Its Simplicity, Efficiency, and Hassle-Free Integration

CUPERTINO, Calif. - Oct. 22, 2003 - Symantec Corp. (Nasdaq: SYMC), the world leader in Internet security, today announced that Norton AntiSpam 2004 has earned the CNET Editors' Choice Award. With a rating of Very Good, Norton AntiSpam 2004 outperformed competitors such as McAfee SpamKiller 5.0 to win the prestigious honor.

Norton AntiSpam 2004 is Symantec's powerful yet easy-to-use solution for automatically and accurately detecting and filtering out unwanted email at the desktop. Unlike other spam filters, the trainable filtering engine in Norton AntiSpam 2004 is able to learn what is and isn't spam by analyzing the user's outgoing email messages. This unique technology makes the filtering engine even more accurate over time, increasing spam detection rates and reducing false positives. Norton AntiSpam 2004 is available both as a standalone product and as a component of Symantec's Norton Internet Security 2004.

"Consumers are continually faced with unwanted email that can undermine their productivity and expose them to fraudulent offers or questionable material," said Matthew Moynahan, vice president of Product Management, Client and Host Security, at Symantec. "We are honored that CNET editors recommend Norton AntiSpam 2004 as the top tool for enabling users to regain control of their email inboxes by efficiently filtering spam."

"Norton AntiSpam 2004 is not only one of the simplest antispam utilities to set up and use, it's also one of the best, consistently stopping 95 percent of the junk (email) with almost no mistakes," CNET editors wrote. "It's the only application that integrates fully into both Outlook and Outlook Express without any hassles. Norton AntiSpam 2004 earns our Editors' Choice for its simplicity, efficiency, and ability to work inside Outlook Express."

According to editors, Norton AntiSpam 2004 operates more seamlessly than competitors, and installation is straightforward. Norton AntiSpam 2004 automatically installs itself inside the user's email client; the user is not required to change server settings or reconfigure their software. For consumers who use multiple email accounts because they share their computers-perhaps with family members at home-Norton AntiSpam 2004 also makes it easy by installing itself in each email account-"something SpamKiller won't do," editors added.

Norton AntiSpam 2004 also distinguished itself from competitors by enabling multiple messages to be processed at the same time. In addition, its control panel made changing filter settings "a breeze," reviewers commented.

Furthermore, Norton AntiSpam 2004 was very accurate while operating at its default setting of Medium, stopping 95 percent of spam and blocking legitimate email less than 3 percent of the time. "The program made almost no mistakes," editors remarked.

Norton AntiSpam 2004 filters unwanted email messages in any POP3-compliant email program by adding a "spam" tag in the Subject field. With Microsoft Outlook, Microsoft Outlook Express, and Eudora, Norton AntiSpam 2004 adds spam-fighting functions to their toolbars and automatically sends unsolicited commercial email to a spam folder. Norton AntiSpam 2004 also works with Outlook to filter out junk email from Hotmail and MSN Mail accounts. The use of multiple filtering layers reduces the time-consuming occurrence of false positives, while automatic LiveUpdate ensures that users are protected against the latest spam threats by checking for new protection updates whenever the user is online. In addition, Norton AntiSpam 2004 blocks banner ads, pop-up windows, and other Web distractions. Norton AntiSpam 2004 is available as a single license as well as in 5- and 10-user packs for small offices.

About Symantec
Symantec is the world leader in providing solutions to help individuals and enterprises assure the security, availability, and integrity of their information. Headquartered in Cupertino, Calif., Symantec has operations in more than 40 countries. More information is available at www.symantec.com.

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FORWARD LOOKING STATEMENT: This press release contains forward-looking statements, including forecasts of future revenue and earnings per share, expected industry patterns, and other financial and business results that involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from results expressed or implied by this press release. Such risk factors include, among others: the sustainability of recent growth rates, particularly in consumer products; whether certain market segments, particularly enterprise security, grow as anticipated; the positioning of Symantec's products in those segments; the competitive environment in the software industry; ability to integrate acquired companies and technology; ability to retain key employees; ability to successfully combine product offerings and customer acceptance of combined products; general market conditions, fluctuations in currency exchange rates, changes to operating systems and product strategy by vendors of operating systems; and whether Symantec can successfully develop new products and the degree to which these gain market acceptance. Actual results may differ materially from those contained in the forward-looking statements in this press release. Additional information concerning these and other risk factors is contained in the Risk Factors sections of Symantec’s previously filed Form 10-K and Form 10-Q.