DefCon: Secure Tunneling Protocols Under Fire

By Robert Vamosi | July 31, 2012 3:14:54 AM PDT

The introduction of Virtual Private Networks for many came with Windows NT. Microsoft created the MS-CHAPv2 authentication protocol to facilitate easy VPN on Windows machines. Last weekend a researcher at DefCon released a tool that makes cracking the authentication as trivial as on day's hard work.

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