uCallHimDrJ0NES writes: Security researcher Mark Gamache has used Moxie Marlinspike's Cloudcracker to derive hashes from captured NTLM handshakes, resulting in successful pass-the-hash attacks. It's been going on for a long time, probably, but this is the first time a "white hat" has researched and exposed the how-to details for us all to enjoy. Microsoft has posted a little guidance for those who need to turn off NTLM: http://support.microsoft.com/kb/2793313. Have fun explaining your new security project to your management, server admins!
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