A word document discussing the possibilities of defeating encryption programs such as PGP using LanMan under NT.
You can download it from the following link: https://packetstormsecurity.com/files/download/16338/Defeating_PGP_with_LanMan.doc
Source: https://packetstormsecurity.com/files/16338/Defeating_PGP_with_LanMan.doc.html