McColo Corp. shutdown crippled more than 500,000 bots, or compromised computers, a security researcher says. McColo’s servers hosted some of the planet’s biggest botnets, including the command-and-control servers. The McColo takedown resulted in a record number of bots being severed from their hacker controllers by any single event, he says. “Rustock” and “Srizbi” botnets may never recover control of their bots, said researcher Joe Stewart, a leading authority on botnets.”]
Source: https://www.csoonline.com/article/2123466/hosting-firm-takedown-bags-500-000-bots.html