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Defeat “Print Screen” with Visual Cryptography

DelphiTools – Time for some summer fun! Someone asked in the delphi win32 newsgroup how to prevent users from doing a “Print Screen”. The answer to that is that you can’t really, since screen capture can be invoked from other applications, or your app can be hosted in a Virtual Machine, accessed over RDP, or a frame can be grabbed directly from the screen cable. However all hope is not lost! Even if you can’t defeat a “Print Screen” or screen capture, it’s possible to make such a capture useless. Defeating any casual PrintScreen Any worthy accomplishment requires ...
Favorite? Off-Topic? Eric @ 2012-08-01 09:00

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