gr00ve writes "Eweek is reporting that all the major OEMs will enable DEP/NX in their BIOSes by default to allow Address Space Layout Randomization (ASLR), a new security feature in Windows Vista, to work as advertised. ASLR, which is used to randomly arrange the positions of key data areas to block hackers from predicting target addresses, is meant to make Windows Vista more resilient to virus and worm attacks." From the article: "Because most CPUs that ship today support DEP/NX, Howard explained that Vista users on older hardware can use the control panel to manually verify that PCs have DEP enabled. With full support from OEMs, Microsoft is effectively using ASLR to create software diversity within a single operating system, a move that is widely seen as Redmond's attempt to address the monoculture risk. The memory-space randomization technique will block the majority of buffer overflow tricks used in about two-thirds of all worm and virus attacks."
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