PseudoPhreak
Captain Hammer!!
A large internet service provider said data for as many as 100,000 websites was destroyed by attackers who targeted a zero-day vulnerability in a widely-used virtualization application.
http://www.theregister.co.uk/2009/06/08/webhost_attack/
http://www.theregister.co.uk/2009/06/08/webhost_attack/