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Press Release

Symantec Completes Acquisition of WholeSecurity

CUPERTINO, Calif. - Oct. 5, 2005 - Symantec Corp. (Nasdaq: SYMC) today announced the completion of its acquisition of WholeSecurity, Inc., a leading provider of behavior-based security and anti-phishing technology. WholeSecurity solutions protect PCs from crimeware such as worms, Trojan horses, keystroke loggers, and phishing attacks. WholeSecurity's products leverage behavioral technology to protect users from these threats, whether they are known or unknown, on both managed and unmanaged PCs. The acquisition was announced on Sept. 22, 2005.

With phishing attacks, one of the fastest growing threats to online transactions, and the risk of zero-day threats increasing, consumers and enterprises require security solutions that can quickly detect malicious code based on the actions and characteristics of each threat, without traditional signatures or patches. The combination of WholeSecurity's behavior-based technology with Symantec's industry leading information security, availability, and integrity solutions is expected to enable Symantec to bring real-time protection to consumer and enterprise desktops.

Recently named by Fortune Magazine as a 2005 Breakout Company, WholeSecurity delivers its Confidence Online family of products to guard against phishing scams and to protect unmanaged and remote PCs, corporate managed PCs, and consumer e-commerce sessions.

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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