Moxie Marlinspike, the security and privacy researcher known for his SSLStrip, Convergence and RedPhone tools, has released a new tool that can crack passwords used for some VPNs and wireless networks ...
MS-CHAPv2 has been known to be vulnerable to dictionary-based brute force attacks since 1999, when a cryptanalysis of the protocol was published by cryptographer Bruce Schneier and other researchers.