wasnt that the one that got raided by the fbi
the one people use to look at illegal stuff with
The FBI used a zero-day (read: unknown exploit) in the tor cookie system to track people who visited certain criminal websites once. I don't remember all the details but bad people were put in jail and if you didn't visit criminal websites (read: child research websites and other related nasty things) you weren't tracked iirc. The exploit has since been fixed and no security flaws have been found since.
