Please turn on JavaScript. Media requires JavaScript to play.
The BBC has acquired control of 22,000 home computers as part of an investigation into hi-tech crime.
Click's Spencer Kelly talks to Jacques Erasmus from Prevx about how hackers use these hijacked machines to send out millions of spam messages.
What are these?
E-mail this to a friend
Bookmark with:
What are these?
E-mail this to a friend