8. Finding Lost Files

Here is where the actual archaeology of the digital forensics expert comes into play. Digging out the “lost data” is one of the more challenging aspects of the trade. For anyone who has been on the technical side of computers for any length of time, it is old news that a deleted file hasn’t gone anywhere. Until overwritten, the data from that file stays where it’s at. Depending on the operating system in use, it can either be very easy to restore a file or very difficult.

From a forensics point of view, however, it isn’t just deleted files that are of concern. The investigator needs to be able to recognize the presence of hidden files, disguised files, and invisible files as well. Again, how easy that is to do depends entirely ...

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