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Memory Forensics Delivers More Than Post Mortems

Written by DFM Team

Memory Forensics Delivers More Than Post Mortems

 Memory forensics is the process of capturing and analyzing the data available in a target device’s RAM. To clarify, RAM is a type of short-term memory into which data is loaded when it is in active use. As a result, whenever an action is taken on the system, the associated data will be loaded into this location. However, RAM is also a volatile form of memory; it overwrites old data automatically when it fills up, and when the system shuts down, the RAM is wiped. While it may be possible to retrieve automatically-generated copies of some or all of its contents, such as in the form of hibernation files, crashdump files, or page files, in general, this volatility means that the use of memory forensics requires investigators to alter the traditional pull-the plug and image strategy of traditional disk-based forensics. Instead, care should be taken to dump the memory while the system is still live, while minimizing the impact to the existing state of the system and its memory. Although this does represent some additional effort, the value of the data available in memory makes the process worthwhile .

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