From the course: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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System and file forensics

System and file forensics

From the course: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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System and file forensics

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- [Instructor] Digital evidence often comes from computers, mobile devices, and digital media that store information required by investigators. That's where forensic investigators use system and file forensic techniques to collect and preserve their digital evidence. Now, remember, the first rule of evidence collection is that investigators must never take any action that alters the evidence itself and may lead to misinterpretation. When it comes to systems and files, forensic investigators preserve this principle by never working with the actual physical evidence, unless absolutely necessary. They do this by creating copies or images of the physical evidence and then using those images for forensic analysis. When a forensic analyst creates an image of a hard drive or other media, they must connect the device to the drive and then use that device to copy off the data stored on the drive. Whenever a drive is connected to a system, there's always the risk that the analysis process will…

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