KnowraPrivate securityLinked fromLinked fromThe 10 pages that link to Private security, each with the reason it gives.All 10Narrower topic 3Compared with 7BouncerNarrower topic: Bouncer work is a public-facing branch of private security in some jurisdictions.Private investigatorNarrower topic: Private investigation sits within a broader sector of privately provided protective services.Security guardNarrower topic: Security guards are a frontline workforce within this broader industry.