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SECURE DATA DELETION
Gorazd Zavodnik Military Academy, Belgrade, gorazd.zavodnik@gmail.com Miroslav Terzić Military Academy, Belgrade, terzicmiroslav@yahoo.com Milorad Markagić Military Academy, Belgrade, milmarkag@yahoo.com
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Abstract: This paper describes data deletion techniques provided by operating systems, their weaknesses and methods for secure deletion (purging) of data. Operating systems store various data in several places and in mosta cases deleting data doesn't mean destroying data but only proclaming used disk space as free. There are many tools to find and recover deleted data, and many tools to purge or destroy data so they can't be recovered.
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