Windows 7: Hacking human gullibility with social penetration.

Security penetration testers Mike Bailey and Mike Murray rely plenty on attacks that exploit weaknesses in websites and servers, but their approach is better summed up by the famous phrase "There's a sucker born every minute".
That's because so-called social penetration techniques are more reliable and easier to use in identifying chinks in client fortresses, the principals of Mad Security said Wednesday. That's true even for organizations that place a high premium on security and train their employees to resist the most common attempts to trick them into letting down their guard.