A program created to automatically overload Microsoft's Web and email servers has been discovered on several corporate networks and may have spread further on the Internet, according to antivirus researchers.
A Russian antivirus company has apologised for an e-mailed virus alert that was infected with the very worm the message was supposedly designed to warn against.
The second stage of an attack by the Sobig.F computer virus fizzled Friday when security researchers and network operators managed to secure the 20 servers from which the virus was scheduled to download new instructions.
Internet vandals have continued to modify the recent Slapper worm and have sent at least four new variants of the hostile Linux program into the electronic wilds.
A virus posing as a photo of Russian tennis player Anna Kournikova has spread aggressively, as major security companies rushed to update their antivirus software to detect the fast-spreading email virus.
Get the details on the latest threats and see how they are requiring an escalation in the war against viruses, worms, and other malware.
Hackers are increasingly focusing on Apple's Mac OS X, and the number of newly discovered vulnerabilities has surged. Such a switch could mean big implications for Apple's user base, which has traditionally not had to concern itself too much over security.
Microsoft will focus on adding new security technologies to its products, educating its customers and improving its process of releasing patches, CEO Steve Ballmer pledged on Thursday.
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