Digital forensics is a branch of forensic science focusing on the recovery and investigation of raw data residing in electronic or digital devices. The goal of the process is to extract and recover any information from a digital device without altering the data present on the device. Over the years, digital forensics grew along with the rapid growth of computers and various other digital devices. There are various branches of digital forensics based on the type of digital device involved such as computer forensics, network forensics, mobile forensics, and so on.

As a forensic IT auditor, write a memo to explain the five (5) possible forensic techniques used during an investigation process.