BizzRoot

Check fraud is an old-fashioned kind of crime, but a criminal ring with ties to Russia is using modern cybercrime techniques, including botnets, online databases of financial information and check imaging archives, to run a highly automated, multi-million-dollar counterfeit-check operation.

Spam continues to grow largely due to the growth in malicious botnets. Many botnets are command-and-control systems used by criminals and are still the main way that spam is spewed into your e-mail box. M86 Security says that the worldwide spam volume has now climbed to 230 billion messages per day, up from 200 billion at the start of 2010.

Cybercrime is big business… and you might be in it without knowing.

Here are the worst of the botnets, and ways you can try to stop them in their tracks.