Personal information has been referred to as any kind of information associated with a person that enable individual to be identified. This information is used by many organisations and institutions in various ways to enable them establish a legitimate communication. However, this has not always been the case as with the trend of technology, personal information can easily be misused by criminals or inappropriately used by institution for marketing purposes.
In respect to cyber security, in order to easily and successfully perform an attack, accurate information about the victim is needed for exploitation, the search is performed from all relevant sources regarding the victim. This includes web search, social engineering, public databases to know about the victim, in case of individual, the attacker establishes a relationship with the victim. This is known as an efficient way because all start with information and two major parties that carry all necessary information are individual and the computer system.
The concern about personal information security started from the relationship between privacy and the development of technology system. The discussion was conducted based on the development of computer devices in which individual personal data are collected, processed and stored. This is not the only concern as we are entering in the monitoring society with all available online platforms and the loss of privacy is increasing due to it protection strongly depend on political will, however, many governments focus on using the efficiency of technology for battle against terrorism and criminality than protecting the privacy of information. Therefore, we need to analyse and evaluate the use of technology system and the protection of personal information.