The pesistence of these markets is in part a reflection of the U.S. Department of Justice's priorities.

Remcos is sold by a German company, Breaking Security, that markets it as a legitimate way to remotely access computers.

Colton Grubbs admitted to prosecutors that he knew customers used the software to illegally hack into victims' machines.

A series of devastating operational mistakes brought down a student hacker who sold thousands of copies of his keylogger on HackForums.

One of the most notorious hacking forums may be partly responsible for the big DDoS attack that brought down some of the world's most popular websites. We…