Office of Transport Security (OTS) is the Australian Government's Preventive security regulator for the transport sector. OTS provides policy advice on transport sector preventive security and conducts a range of compliance activities with regulated industry participants including ports, port facilities, ships and offshore oil and gas facilities, airports and airlines, air cargo operators and general aviation in each state or territory. OTS works with industry, state and territory governments, police and other Australian Government agencies in the management of preventive security arrangements within the Australian aviation and maritime sectors.