guard; security guard; security officer
security firm; security company
security department (of a police force); security bureau; security division
security posture; security readiness; security preparedness
security contracting (against fire, theft, etc.); private security arrangement
increased or beefed up security
staying at home all day (without employment); (lit.) guarding one's home
security police; peace preservation police
security arrangements; security system; security setup; security protocols