Information Systems homework help
Digital Forensics
There are three primary goals with digital forensics:
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- Collect electronically stored information in a sound, defensible manner,
- Analyze the results of the collections, and
- Present the findings either in formal legal proceedings or less formally to inform a client.
- Electronic evidence can be short-lived and fragile. It needs to be collected in a defensible, methodological manner to preserve it accurately, and to withstand scrutiny in legal proceedings. (chain of custody)
- Electronic evidence can be highly probative, both as it appears to users, and behind the scenes. There is a lot of information that a computer user never sees (e.g. metadata, logs, registry entries). This behind-the-scenes evidence may provide a wealth of information about who did what when and where. Forensic analysts are trained to preserve, collect and interpret this kind of evidence.
- Some digital files can be recovered, even if a user has tried to delete them.