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Data execution protection

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Data execution prevention (DEP) is a set of hardware and software technologies that perform additional checks on memory to help protect against malicious code exploits and provents tricking Windows into running the program. In Windows XP SP2, DEP is enforced by both hardware and software.


More Recently Data execution prevention has been cracked on xp sp2 more info about this at Microsoft Windows XP SP2 Heap protection and DEP bypass