World’s most costly botnets

One of the world's most costly and destructive botnets -- has returned from a four-month break.

Cisco outs Tuto4PC

Cisco’s Talos security intelligence and research group has found a nasty piece of French software that has quietly installed backdoors on 12 million computers around the world so its owners can spam the chaîne d'oignons out of users.

Stops the cops

Security expets have new malware that takes extraordinary measures to evade detection and analysis, destroying deleting all hard drive data and rendering a computer inoperable.