Digital forensics is a forensic science where experts look at all forms of digital media including computers , smart phones , tablet and GPS devices to solve help crime . Digital forensics ( sometimes Digital forensic science ) is a branch of forensic science encompassing the recovery and investigation of material found in digital devices , often in relation to computer crime . The term digital forensics was originally used as a synonym for computer forensics but has expanded to cover all devices capable of storing digital data and is now used to describe the entire field .