[Gizzmoe]

Originally Posted by xrvjorn

Counter measures are available for free at http://tor.eff.org/

Tor only encrypts traffic to/from websites or other Tor-compatible services, but your system still resolves DNS via your ISP, so they still know exactly which sites you visit. For more or less total security you also need TorDNS:
http://sandos.ath.cx/~badger/tordns.html