Forensic Imaging
Forensic imaging means making a physical copy of the disk. This is a bit-by-bit copy. Forensics tools will do this for you, and it is always the way to image a computer drive. This is often called physical imaging. In some cases, you cannot perform a physical imaging of phones. Logical imaging uses the target system’s file system to copy data to an image for analysis. This can miss deleted files, files no longer in the file system but on the drive, and similar data.
Once you have acquired a physical storage medium of some type, you need to image the suspect data. You always work with an image whenever possible. Even if the medium is an optical storage device like a Blu-ray disc, you should make a forensic image of the drive ...
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