Zeus Botnet Dealt a Blow as ISP Troyak Knocked Out

Internet service providers linked to the notorious Zeus botnet have been taken down, knocking out a third of the command-and-control servers that run the network of hacked machines. Two ISPs, named Troyak and Group 3, were home to 90 of the 249 known Zeus command-and-control servers. Zeus Tracker, a Web site that tracks the botnet, noticed the steep drop in servers on Wednesday morning