Persistent zombie attacks target Symantec corporate software

Symantec first dismissed the threat, but worm attacks that exploit a known security hole in the company's corporate antivirus tool are proving to be persistent.

The attacks target computers running older versions of Symantec Client Security and Symantec AntiVirus Corporate Edition. Compromised systems are turned into remotely controlled zombies by the attacker and used to relay spam and other nefarious activities. Symantec's Norton consumer software is not affected.

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