Governments, businesses, and private citizens all use computers on a daily basis. Cyber security exists to protect computer systems and shared data from theft or damage by any presence that plans to do harm. Security is a constant issue as technology changes and criminals circumvent existing safety measures.

Should an individual decide to gain additional certification that they are qualified in a field of study, they may decide to gain a postgraduate diploma. This type of diploma is attained after one has first completed a master's degree.