Microsoft and the FBI have broken up a large portion of the Citadel botnet – a network which had stolen $500 million from bank accounts in 90 countries around the world by installing keylogger software on five million machines.

ESET security researchers release white paper looking at the first six months of Windows 8. Just how secure is Microsoft’s new operating system?

The Xbox One Kinect microphone – one of the hi-tech new features of Microsoft’s new Xbox One console – has raised security concerns since it “listens” to users even when the console is turned off.

Internet Explorer 10 beats both Google’s Chrome and Firefox when it comes to blocking downloads of malware, according to analysts NSS Labs.

A quarter of PCs around the world have no antimalware software, according to Microsoft’s latest Security Intelligence Report.

More than half of British companies could be at risk of cyber attack, after a survey found that IT departments had not begun the process of migrating from Windows XP- with just a year left before Microsoft stops offering support for the ageing OS.

Use of pirated and counterfeit Windows software has tripled since 2006, according to analysts IDC – creating a fertile breeding ground for malware. For the report, entitled ‘The Dangerous World of Pirated and Counterfeit Software’, IDC analysts conducted 533 tests on counterfeit software from P2P and web sources.

Adobe and Microsoft have both released patches this week to address vulnerabilities in respective software applications and advise all users to apply the patches as soon as possible, if applicable to them.

At the beginning of January 2013, we started tracking the interesting Win32/Redyms trojan family. Redyms is notable for changing search results from popular search engines on infected machines.

Microsoft has taken the unusual step of announcing a patch for an Internet Explorer vulnerability just a week after its traditional patch Tuesday announcements.