Microsoft fixed six vulnerabilities, three of them rated critical, with four patches in its May Patch Tuesday round this week.

Half a million websites have been infected with a new round of malware attack and poorly implemented website configurations have been blamed.

Microsoft announced late Thursday that it plans to push out four patches, three to address critical vulnerabilities, in next week's monthly security update.

Exploiting a rare and recently disclosed vulnerability in control system software - used to run industrial plants - could lead to service disruptions.

Microsoft has released what is believed to be the final update for Windows XP, the operating system prior to Vista, but still very much in use by enterprises and consumers.

Microsoft acknowledged it postponed the release of Windows XP Service Pack 3 because the upgrade can corrupt data in a point-of-sale software system.

IT security vendors' sole purpose is to generate revenue -- not offer complete security -- and they will only create solutions to stop dangerous threats when they are incentivized to do so, the principal security strategist for IBM Internet Security Systems said Wednesday at Interop in Las Vegas.

As the use of Wi-Fi by businesses becomes more pervasive, IT departments must rethink their wireless security strategy to combat threats, a panel said Tuesday at the Interop conference in Las Vegas.

A flaw in popular blogging portal WordPress 2.x rated "highly critical" was posted today.

Some users of Skype, the popular software application that enables users to make free phone calls over the internet to other Skype users, found their communication channel blocked earlier this week.