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Microsoft

Submission + - Point-to-Point Tunneling Protocol (PPTP) cracked (cso.com.au) 3

crutchy writes: "Security researchers released two tools at the Defcon security conference that can be used to crack the encryption of any PPTP (Point-to-Point Tunneling Protocol) and WPA2-Enterprise (Wireless Protected Access) sessions that use MS-CHAPv2 for authentication."

"Marlinspike's advice to businesses and VPN providers was to stop using PPTP and switch to other technologies like IPsec or OpenVPN. Companies with wireless network deployments that use WPA2 Enterprise security with MS-CHAPv2 authentication should also switch to an alternative."

http://www.schneier.com/crypto-gram-1208.html#2

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Point-to-Point Tunneling Protocol (PPTP) cracked

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