Latest Microsoft flaw

A new vulnerability has been reported in Windows with the way that cursors work, which can result in a user's PC being compromised.

Exploits are already out and PCs will be being taken over and added to botnets.

The vulnerability affects multiple versions of Microsoft's Windows operating system (including Vista), and the e-mail clients that come with them accordingly.

Microsoft are advising users to update their security software, and some ISPs are starting to block the source of the exploits, with some Chinese websites being mentioned as being the hosts.