Security Guard — Responsibilities, types and companies
The main duty of a security guard is to protect people or property but his/her duty does not just include basic protection, it can also add other responsibilities. For Example, in case a fire erupts the security guard has to manage and look over the fire hazard on the site. Another duty of security guards is to make sure that the fire extinguishers are not expired or damaged. Security guards also have the duty to clear the corridors or any obstruction so that people can evacuate. Also, it is the duty of a security guard to make sure that all the exit doors are clear and are accessible to people in case there comes a need to evacuate.
A security guard has the duties to check on visitors, greet them, and ensure that no unauthorized person enters the premises and in case of shopping Centre security guards, no unauthorized product leave the premises as well.
The security guards have limited authority, for example, security guards are authorized to ask a certain individual to stop performing prohibited acts and they can also ask them to leave the property. In case the individual does not behave and persists with the act, the security guard has the authority to arrest the individual under the citizen’s arrest law. In case a security guard performs a civilian’s arrest, only reasonable force must be used. In any other case, a security guard cannot touch anyone. In case a security guard is going to arrest an individual, he/she must handcuff the individual.
Security guards are allowed to carry handguns in some states of some countries but not in many countries and states. But in the states where they are allowed to carry guns while on duty, it is only when their job requires it. They get a permit to carry a handgun and that permit indicates if the carried weapon would be concealed or can be visible.
In communities, the following are some types of security:
Mobile Patrol Security:
A type of security for communities is Mobile Patrol Security. The main duty of security guard patrols is to monitor activity at a location or property. Security guards patrols have the access alarm and surveillance equipment, control gate access, patrol on foot to secure the premises.
Gatehouse Security:
The Gatehouse security manages access to gated communities. The main responsibility of gatehouse security is to secure the entrance so that no irrelevant person enters the community and that residents and visitors may not feel inconvenienced.
Cash in Transit:
Cash in Transit security has the responsibility to escort an individual or just cash from one place to another safely.
Mine Site Security:
Mine Site Security officers are responsible for keeping a log of individuals on site, machinery and equipment and to make sure no irrelevant person enters the site.
Loss Prevention Security:
Loss Preventions Security is to prevent any unpleasant incidents like stealing from a shop etc.
Security Guard Companies:
Security guards are often hired by whoever needs a security guard by security companies who have guards for different jobs like mobile patrol, gatehouse, mine site security, private party or event, construction site, cash in transit concierge security or any type other security.

P.s., Information provided by Oceanic Security Services, a leading security guard services provider in Perth.