BhuvishMost of peoples believe that, in situations like during power failure in modern computers, at room temperature and even when DRAM is removed from its motherboard, DRAMs will retain their contents for few seconds. But DRAMs are not so reliable because hackers can retrieve usable full-system memory images and important contents of DRAMs when DRAMs are not immediately erased/when they are not refreshed. Surprisingly, researches made by the Researchers of Princeton University have clearly shown that the contents of RAM in modern computers remain undamaged after the system BIOS or boot code has finished running, and these can be exploited. To explain this, at the beginning we need to switch off the system and then we will try to capture and analyze the memory of DRAMs.
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