A person who is employed to provide security for people or property.

(US) The concerted national effort, principally by government, to keep the United States safe and resilient to terrorism and other hazards.

plural of security system

plural of security principal

A facility or part of a facility with minimal restrictions, designed to hold the least dangerous criminals of society.

a prison with more restrictions designed to hold the most dangerous criminals of society; supermax.

plural of security mom

The concept of maintaining peace among all nations or members of a group by making the security concerns of one member important to all members.

plural of security camera

(finance) an asset-backed security whose cash flows are backed by the principal and interest payments of a set of mortgage loans.