(politics, euphemistic) An army.

A system whereby the state either through general or specific taxation provides various benefits to help ensure the wellbeing of its citizens. / Those benefits paid under such a system.

A procedure or set of procedures followed to ensure that state secrets, trade secrets, data, etc. are not compromised.

A hardware system that prevents unauthorised intrusion into a premises, and reports such attempts. / (computing) A similar software system that prevents unauthorised access.

plural of security service

A set of practices shared by a community whose members may engage in illegal or sensitive activities, in order to minimize the risk of these activities being subverted or sabotaged.

plural of security culture

The probability that an individual will keep his/her job.

(computer security) A security vulnerability in a computer system.

A branch of information security applied to both theoretical and actual computer systems and networks.