10-12-2009
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Join Date: Dec 2007
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Understanding DEP/NX security feature in IE
DEP/NX is a feature of modern CPUs that allows marking of memory pages as Executable or non-Executable. This allows the CPU to help prevent execution of malicious data placed into memory by an attacker. If the CPU detects that it is about to jump to (begin execution of) data which is in a memory page which is not marked as Executable, the CPU will raise an exception which results in termination of the process.
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