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Symantec First to Provide Anti-Virus and Enterprise Security Management Protection Against Recently Issued Fraudulent Verisign Digital Certificates

CUPERTINO, Calif. - March 24, 2001 - Symantec Corp. (Nasdaq: SYMC) today announced that its award-winning vulnerability assessment and anti-virus solutions, Enterprise Security Manager and Norton AntiVirus respectively, detect and protect against two recently issued fraudulent VeriSign, Inc. digital certificates.

VeriSign discovered through its routine fraud screening procedures that it issued two digital certificates to an individual who fraudulently claimed to be a representative of Microsoft Corporation. These certificates can be used to digitally sign a program containing malicious code of any type under the name of Microsoft Corporation. Digital certificates are used to prove that the data originated from the authorized owner and that it has not been modified.

"This is a tremendous example of how two powerful Symantec products - Norton AntiVirus and Enterprise Security Manager - can work together to provide a comprehensive solution to a real-time threat," said Rob Clyde, vice president and chief technologist for Symantec’s Enterprise Solutions Division. "Our customers can be assured that Symantec provides comprehensive Internet security solutions."

"We were pleased to see Symantec work quickly to assemble an antidote to avert this potential vulnerability," said Mahi de Silva, vice president and general manager of Applied Trust Services at VeriSign, Inc. "Working together we were able to diminish the opportunity for an attacker to distribute malicious code."

Symantec Enterprise Solutions
Symantec provides complete security solutions (reactive and real-time) to defend against this latest threat. Enterprise Security Manager provides vulnerability assessment capabilities on machines that have executed one or both of the fraudulent certificates.

The Symantec AntiVirus Research Center (SARC) has developed definitions for Symantec’s anti-virus solutions to detect and prevent the download of these certificates as well as to scan the existing file system providing real-time protection. This prevents customers from executing code signed with the fraudulent certificates, even if the code is sent via e-mail.

For protection against these latest potential threats, Symantec’s Norton AntiVirus customers can download the latest updates via LiveUpdate or at:

http://www.symantec.com/avcenter/download.html

The Enterprise Security Manager updates are available for download at:

http://www.symantec.com/avcenter/sirc/fraudulent.digital.certificate.html

Symantec Enterprise Security
Enterprise Security Manager and Norton AntiVirus are key components of Symantec Enterprise Security, providing corporations with a comprehensive and modular Internet security solution. The solution allows customers to manage the complete security lifecycle of their computing environment from assessment and planning to implementation and monitoring.

Symantec Enterprise Security enables customers to build the best security solution for their organization by choosing from Symantec’s best-of-breed, multi-platform Internet security products; manageability and administration tools; and world-class professional services and support. Symantec Enterprise Security also includes the Digital Immune System, Symantec's unique technology for automatic detection and cure of security threats.

About Symantec
Symantec, a world leader in Internet security technology, provides a broad range of content and network security solutions to individuals and enterprises. The company is a leading provider of virus protection, vulnerability assessment, intrusion prevention, Internet content and e-mail filtering, remote management technologies and security services to enterprises around the world. Symantec's Norton brand of consumer security products leads the market in worldwide retail sales and industry awards. Headquartered in Cupertino, Calif., Symantec has worldwide operations in 36 countries. For more information, please visit our Web site at www.symantec.com.

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Symantec, the Symantec logo, AXENT, AXENT Technologies, and the AXENT logo are trademarks or registered trademarks, in the United States and certain other countries, of Symantec Corporation or its subsidiaries. Additional company and product names may be trademarks or registered trademarks of the individual companies and are respectfully acknowledged.

FORWARD LOOKING STATEMENT: This press release contains forward-looking statements, including statements regarding future technology and products, 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 risk that the Symantec and AXENT businesses will not be integrated successfully; the costs related to the merger; the difficulty of developing and marketing products that compete effectively with others, new security threats, and other economic, business, competitive and/or regulatory factors affecting Symantec's business generally. 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 the Company's previously filed Form 10-K for the fiscal year ended March 30, 2000.