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Symantec Offers Webcast on Findings of Latest Internet Security Threat Report

CUPERTINO, Calif. - Sept. 21, 2005 - Symantec Corp. (Nasdaq: SYMC) today announced it will host a webcast discussing the findings of its eighth semiannual Internet Security Threat Report. The webcast, led by Dean Turner, executive editor of the report, will be held on Thursday, Sept. 22, 2005 at 9 a.m. PDT. The webcast will provide security IT management who are responsible for strategic security decisions and policy setting with an in-depth look at security issues affecting businesses. Attendees can register at http://enterprisesecurity.symantec.com/Content/webcastinfo.cfm?webcastid=189.

Among the key findings to be discussed is Symantec's documentation of 1,862 new vulnerabilities in the first six months of 2005 - a 31 percent increase over the previous six-month period. This translates into more than 72 new vulnerabilities per week, or slightly more than 10 new vulnerabilities per day. By understanding findings such as this, webcast attendees will gain deeper insight into the changing threat landscape, what these threats mean to their organizations, and what might be expected in the future.

The Internet Security Threat Report analyzes data collected from more than 24,000 security devices deployed in more than 180 countries. The latest edition covers the six-month period from Jan. 1, 2005 to June 30, 2005 and includes analysis of network-based attacks; a review of known vulnerabilities; highlights of adware, spyware, and malicious code; an analysis of spam and phishing data; and a forward-looking analysis of emerging trends and issues.

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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