FBI used drive-by downloads to track child porn suspects hidden on Tor

The FBI has been silently installing spyware in its quest to identify and prosecute criminals hiding behind the powerful Tor anonymity system. The technique’s a classic tool in the malware writer’s kit. Do the ends justify the means when it’s the law, using it to capture child abusers?

Story added 6. August 2014, content source with full text you can find at link above.