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Secure Deletion of Data from Magnetic and Solid-State Memory
Peter Gutmann
Department of Computer Science
University of Auckland
Abstract
With the use of increasingly sophisticated encryption systems, an
attacker wishing to gain access to sensitive data is forced to look
elsewhere for information. One avenue of attack is the recovery of
supposedly erased data from magnetic media or random-access memory.
This paper covers some of the methods available to recover erased date
and presents schemes to make this recovery significantly more
difficult.
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