A new variant of SpyEye malware allows cybercriminals to monitor potential bank fraud victims by hijacking their webcams and microphones, according to security researchers from antivirus vendor Kaspersky Lab.

Malware writers have used Crossrider, a cross-browser extension development framework, to build a click-fraud worm that spreads on Facebook, security researchers from antivirus firm Kaspersky Lab said on Monday.

Virtualization software vendor VMware today downplayed the seriousness of a source code leak involving the company's ESX hypervisor technology.

A large spam campaign observed on Twitter during the last couple of days directed users to malicious websites that exploited vulnerabilities in browser plug-ins to infect their computers with rogue antivirus programs, according to security researchers from antivirus firm Kaspersky Lab.

The Flashback botnet has affected 41,600 Mac computers in Australia, making it the fourth most infected country in the world, according to research from Kaspersky Lab.