noun
security contracting; private security service
Refers to the business of providing contracted security services, such as guarding buildings, patrolling, or monitoring against fire and theft. Often used in company names.
このビルの警備保障は専門の会社に委託している。
Security for this building is contracted out to a specialist company.
警備保障会社が24時間体制で監視を行っている。
A security company monitors the premises around the clock.
Compound of 警備 (security, guarding) and 保障 (guarantee, assurance), literally 'security assurance'. The term is used primarily in business contexts for contracted security services.