Answer:
Contract security; Proprietary security
Step-by-step explanation:
Security officer or security guard is an individual employed for the protection of people, employing party, company or agencies; by the government or a private security firm.
They are responsible for protecting various assets such as people, property, money, equipment, etc from harmful or unsafe activities.
Contract security is the type of security provided by a private security firm for the protection of people or locations such as companies or agencies.
Proprietary security, also known as the in-house security, is the type of security that is employed for the protection of the employing company.