A security guard in Boise City patrols and monitors buildings and other areas to prevent or stop incidents, such as theft or violence. Security guards are responsible to answer alarms, and may apprehend or detain individuals who pose a threat to security. A private security guard provides safety for their employers by guarding against violations of the law.. A security guard may also monitor people as they enter and exit the building or perform secure activities, such as handling cash . In a mobile security position, the private guards may patrol and monitor in cars or on foot. Secures premises and personnel by patrolling property; monitoring surveillance equipment; inspecting buildings, equipment, and access points; permitting entry. Obtains help by sounding alarms.