Gregg Keizer

Adobe Systems Inc. has acknowledged that all versions of its popular PDF software, including editions for Windows, the Mac and Linux, contain at least...

Microsoft is using virtualization to provide Windows 7 users backward compatibility to the software makers seemingly hard-to-kill Windows XP

At the RSA Security conference, Botnet expert Joe Stewart says teams of security researchers, setup like police units, should be established to infiltrate and disrupt cybercriminal groups.

A Symantec official said version E is installing the Waledac bot, leading him to believe the malware

Twitter reviews its coding practices after a 17-year-old admits to launching a weekend attack exploiting cross-site scripting bugs of the micro-blogging service

Microsoft will provide free or discounted Windows 7 upgrades not only to users who buy Vista PCs between June 2009 and January 2010, but also to people who buy a system that's been factory-downgraded to Windows XP, according to a report on the Web

Researchers discover that infected PCs react strangely when hit with specially crafted Remote Procedure Call messages. WITH VIDEO

A security software vendor says it has found evidence the perpetrators of the Conficker worm are trying to stymie attempts to register the addresses of the worm