pcadvisor.co.ukThousands of websites have been rigged to deliver a powerful piece of malicious software that many security products may be unprepared to handle. The malicious software is a new variant of Mebroot, a program known as a 'rootkit' for the stealthy way it hides deep in Windows...If the MBR is under a hacker's control, so is the entire computer and any data that's on it or transmitted via the internet...