Security as a national condition was developed so that countries can develop and progress freely. To keep away from danger, criminal activity, or damage, security of an individual is required. Security systems provide forms of protections which provide or improve the level of security for the individual who has installed it.
Individuals or organizations take up different measures for security, and security systems are installed by them to secure their assets and remove any situations of threat to them. There are different types of security systems: computer security programs, passenger prescreening system, video surveillance, alarm systems in a home, infrared (PIR) based technology, electronic access control systems, or video surveillance system (VSS) cameras, or anti-theft system in a car. These types can be further categorized into realms of security, like computing security, airport security, home security, physical security, national security, public security, etc.
Different scenarios gave rise to the creation of security systems around the world. Security measures were taken into account when the actions of people attempted to cause destruction in different states. Security had to be maintained with respect to classified matter, the condition that prevents unauthorized persons from having access to official information that is safeguarded in the interests of national security. Also it is maintained when measures are taken by a military unit, an activity or installation to protect it against all acts designed to, or which may,
