Digital forensics experts retrieve and analyse information from computers and other types of data storage devices. They examine digital media that may have been hidden, encrypted or damaged, in a forensic manner with the aim to identify, preserve, recover, analyse and present facts and opinions about the digital information.

Tasks

In such cases tasks would include -
(a) Developing plans to safeguard computer files against accidental or unauthorized modification, destruction or disclosure and to meet emergency data processing needs;
(b) Training users and promoting security awareness to ensure system security and to improve server and network efficiency;
(c) Conferring with users to discuss issues such as computer data access needs, security violations, and programming changes;
(d) Monitoring current reports of computer viruses to determine when to update virus protection systems;
(e) Modifying computer security files to incorporate new software, correct errors or change individual access status;
(f) Monitoring use of data files and regulate access to safeguard information in computer files;
(g) Performing risk assessments and executing tests of data processing system to ensure functioning of data processing activities and security measures;
(h) Encrypting data transmissions and erecting firewalls to conceal confidential information as it is being transmitted and to keep out tainted digital transfers.