Aviation Security Service Providers are responsible for maintaining the security of airport perimeters, preventing unauthorized access to sensitive areas such as runways and hangars. This includes the use of surveillance cameras, motion detectors, and physical barriers, as well as regular patrols by security personnel. Providers also work with local law enforcement and emergency response teams to ensure that any potential threats are quickly identified and neutralized. By securing the perimeter, Aviation Security Service Providers help prevent external threats from disrupting airport operations and ensure the safety of all individuals within the airport environment.