A producer of printed documents or products which are physically protected against forgery, counterfeiting and alteration by security features

(software engineering, of software) designed from the ground up to be secure

Of a prison, having limited security and offering prisoners certain freedoms.

The safety of a country as managed through the exercise of economic and political power, intelligence agencies and diplomacy.

A video camera used to protect a building from intruders and to detect crime and other issues.

Security measures which are intended to, or do, provide a feeling or illusion of improved security, while doing little or nothing to actually improve security.

(security, computing) Relying on a secure design to defend against attacks.

(military) To guard the firearms from becoming wet.

Security in the form of a person's pledge or promise, as distinguished from the delivery of some valuable object as security.

a team, either privately hired or working for a government, that is assigned to provide personal security for an individual or group / Used other than figuratively or idiomatically: see security, detail.