Stories about: Defense Advanced Research Projects Agency

If you want to know about the latest malicious rootkit, ask security researcher Dino Dai Zovi. He'll tell you all about his proof of concept rootkit called Vitriol that uses virtual machine instructions in Intel processors to hide a rootkit at the virtualization layer.

A report from an expert cyber committee to George W Bush calling for immediate investment in security research is has local security stakeholders worried. Julian Bajkowski reports.

Drowning in signature libraries and reactive event information that is of little value in locating attacks in progress, network security managers are fed up with signature-based intrusion-detection systems that have been the backbone of network security. Amid an ever-shrinking time gap between vulnerabilities and exploits, signature-matching IDS already has become obsolete, analysts and users say.

The best thing about the modern computer network is also its chief liability: Everything's connected, with on-ramps conveniently located everywhere.