Security researchers from Microsoft, The Catholic University of Leuven in Belgium, and elsewhere are proposing a novel approach to secure, anonymous instant messaging and voice-over-IP communication that turns the conventional wisdom about social networking privacy on its head.

Drac is a peer-to-peer communication system designed to make IM and VoIP traffic anonymous and unobservable. It achieves this goal by exposing the social connections of the users who make up the nodes of the peer-to-peer network.

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