The Tor Project has become a vital mechanism for privacy advocates, human rights activists, journalists and others in sensitive positions to evade online censorship and persecution. And while the governments interested in limiting user access to the Internet and controlling content have had some recent success in preventing the use of the anonymity network, Tor members have been working on new methods for circumventing those restrictions.
In a talk at the USENIX LEET workshop here Tuesday, Nick Mathewson of the Tor Project discussed the group's recent challenges in responding to suppression efforts by governments in Egypt, China and elsewhere. What the Tor members have learned in these recent incidents is that while governments are becoming more up front about their willingness to shut off Internet access altogether or censor content, users are also becoming more resourceful.

However, while Tor offers users a high level of anonymity and privacy when used correctly, there are a number of ways that its protections can be circumvented both intentionally and unintentionally.

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