Attacks Against Computer Forensics
In the past anti-forensic tools have focused on attacking the forensic process by destroying data, hiding data, or altering data usage information. Anti-forensics has recently moved into a new realm where tools and techniques are focused on attacking forensic tools that perform the examinations. These new anti-forensic methods have benefited from a number of factors to include well documented forensic examination procedures, widely known forensic tool vulnerabilities and digital forensic examiners heavy reliance on their tools.
During a typical forensic examination, the examiner would create an image of the computer's disks. This keeps the original computer (evidence) from being tainted by forensic tools. Hashes are created by the forensic examination software to verify the integrity of the image. One of the recent anti-tool techniques targets the integrity of the hash that is created to verify the image. By affecting the integrity of the hash, any evidence that is collected during the subsequent investigation can be challenged.
Read more about this topic: Anti-computer Forensics
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