Unfortunately, there may come a time when you need to see what happened after the event, this is where computer forensic analysis comes into play.
Computer forensics is a branch of digital forensic science pertaining to legal evidence found in computers and digital storage media. The goal of computer forensics is to examine digital media in a forensically sound manner with the aim of preserving, recovering, analyzing and presenting facts and opinions about the information.
The times that computer forensics is required is usually down to one of the following reasons: