Security experts launched a sneak attack to disconnect Troyak, an Internet service provider in Eastern Europe that served as a global gateway to a nest of cyber crime activity. For the past seven days, unnamed members of the security community reportedly have been playing Whac-a-Mole with Troyak. But experts say Troyaks apparent hopscotching is expected behavior from what is in fact a carefully architected, round-robin network of backup carriers, all designed to keep a massive organized criminal operation online.”]
Source: https://krebsonsecurity.com/2010/03/researchers-map-multi-network-cybercrime-infrastructure/