Microsoft has released an out-of-cycle patch to fix a major security vulnerability in all current versions of Windows that can allow a remote attacker complete control over a system.

Yahoo's Zimbra client - part of Yahoo Desktop - exposes the password uses to access your e-mail via IMAP in plain text, allowing an eavesdropper to gain access.

A major security flaw has been discovered in the latest versions of Apple's iTunes and QuickTime, and thus far there is neither a patch nor a workaround available.

Comments by Adam Savage at a conference tell the tale of a planned RFID-busting episode which was cancelled following legal leanings from credit card companies.

Several laptops used by crew on the International Space Station for e-mail access and experiment monitoring are infected with a password-stealing worm.

A presentation demonstrating major security weaknesses in the MiFare Classic-based CharlieCard RFID system has been gagged via court order this weekend.

A flaw in the popular Photobucket photo-sharing site opened up private albums to anyone capable of guessing a filename has been patched, according to a security researcher.

A flaw in the Javascript engine in Adobe's popular Acrobat series of programs has left users vulnerable to cracker attack - but the company has issued a patch to block the hole.