The price of a file of user credentials – known as a ‘dump’ in hacking circles – depends greatly on the Internet service(s) where they can be used. The rapid evolution of Web 2.0 services and the parallel world of cybercrime is driving a revolution in the price that criminals charge each other for user credentials.Amichai Shulman, Imperva’s chief technology officer, said “Just five years ago, …[more]