United States federal executive departmentsThe United States federal executive departments are the principal units of the executive branch of the federal government of the United States. The executive departments are the administrative arms of the president of the United States. They are analogous to ministries common in parliamentary or semi-presidential systems but (the United States being a presidential system) they are led by a head of government who is also the head of state.
Immigration to the United StatesImmigration has been a major source of population growth and cultural change in the United States throughout much of its history. As of January 2025, the United States has the largest immigrant population in the world in absolute terms, with 53.3 million foreign-born residents, representing 15.8% of the total U.S. population—both record highs.
Airport securityAirport security includes the techniques and methods used in an attempt to protect passengers, staff, aircraft, and airport property from malicious harm, crime, terrorism, and other threats. Aviation security is a combination of measures and human and material resources in order to safeguard civil aviation against acts of unlawful interference.
Public securityPublic security or public safety is the prevention of and protection from events that could endanger the safety and security of the public through significant injury or property damage. It is often conducted by a stategovernment to ensure the protection of citizens, persons in their territory, organizations, and institutions against threats to their well-being, survival, and prosperity.
Maritime security (USCG)Maritime security is concerned with the prevention of intentional damage through sabotage, subversion, or terrorism. Maritime security is one of the three basic roles of the United States Coast Guard has gradually developed in response to a series of catastrophic events, which began in 1917.
Computer securityComputer security (also cybersecurity, digital security, or information technology (IT) security) is a subdiscipline within the field of information security. It focuses on protecting computer software, systems, and networks from threats that can lead to unauthorized information disclosure, theft, or damage to hardware, software, or data, as well as to the disruption or misdirection of the services they provide.
CounterterrorismActivity to defend against or prevent terrorist actions Part of a series onCounterterrorism and Countering violent extremism Methods and approaches Deradicalization Government orgs Counter Terrorism Centre Counterterrorism Mission Center National Counter Terrorism Centre Countering Violent Extremism Task Force National Counterterrorism Center US House Subcommittee Bureau of Counterterrorism CTFD US Senate Subcommittee Counter Terrorism Policing United Nations Office of Counter-Terrorism UN CTITF Individual Offices Coordinator for Counterterrorism Independent Reviewer Systems National Terrorism Advisory System War on terror Terrorist Finance Tracking Program Schools and institutes Combating Terrorism Center CTEC Chicago Project on Security and Threats INSCT START Handa Centre Think tanks International Centre for Counter-Terrorism Terrorism Research Center International Institute for Counter-Terrorism Global Internet Forum to Counter Terrorism Jamestown Foundation Uppsala Conflict Data Program Counter Extremism Project The Investigative Project on Terrorism Intelligence and Terrorism Information Center Global efforts Counterterrorism in China Counterterrorism in Australia Counter-terrorism in Singapore Counter-terrorism in Malaysia Counterterrorism in Colombia Counterterrorism in Argentina Counterterrorism in Canada Counterterrorism in Azerbaijan Legislation Anti-terrorism legislation Incitement Incitement to terrorism Terrorism insurance Executive Order 13224 Anti-Terrorism Act of 2020 vte GIGN operators in 2015.
Interior ministryAn interior ministry or ministry of the interior (also called ministry of home affairs or ministry of internal affairs) is a government department that is responsible for domestic policy, public security and law enforcement. In some states, the interior ministry is entrusted with the functions of ensuring national security, immigration issues and protecting places of detention.
Border controlMeasures taken to regulate the movement of goods and people across bordersAs seen from the Bhutanese sideAs seen from the Indian sideThe border gate between Phuentsholing, Bhutan, and Jaigaon, IndiaThe gate that borders East Nusa Tenggara in Indonesia and East TimorA train crossing the China–Russia border, travelling from Zabaykalsk in Russia to Manzhouli in ChinaDifferent categories of borders have varying features and levels of security.Border control comprises measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders.
Civil defenseThe international distinctive sign of civil defense, defined by the rules of international humanitarian law and to be used as a protective signCivil defense or civil protection is an effort to protect the citizens of a state (generally non-combatants) from human-made and natural disasters. It uses the principles of emergency management: prevention, mitigation, preparation, response, or emergency evacuation and recovery.
Air-sea rescueAir-sea rescue (ASR or A/SR, also known as sea-air rescue), and aeronautical and maritime search and rescue (AMSAR) by the ICAO and IMO, is the coordinated search and rescue (SAR) of the survivors of emergency water landings and those who have survived the loss of their seagoing vessel. ASR can involve seaplanes, helicopters, submarines, rescue boats and ships. Specialized equipment and techniques have been developed.
CustomsGovernment agency which regulates the flow of goods and collects duties A customs officer in Amsterdam Airport Schiphol checks the luggage of an incoming traveler. Vienna Convention road sign for customs Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country.
Immigration to the United StatesImmigration has been a major source of population growth and cultural change in the United States throughout much of its history. As of January 2025, the United States has the largest immigrant population in the world in absolute terms, with 53.3 million foreign-born residents, representing 15.8% of the total U.S. population—both record highs.Airport securityAirport security includes the techniques and methods used in an attempt to protect passengers, staff, aircraft, and airport property from malicious harm, crime, terrorism, and other threats. Aviation security is a combination of measures and human and material resources in order to safeguard civil aviation against acts of unlawful interference.Public securityPublic security or public safety is the prevention of and protection from events that could endanger the safety and security of the public through significant injury or property damage. It is often conducted by a stategovernment to ensure the protection of citizens, persons in their territory, organizations, and institutions against threats to their well-being, survival, and prosperity.Maritime security (USCG)Maritime security is concerned with the prevention of intentional damage through sabotage, subversion, or terrorism. Maritime security is one of the three basic roles of the United States Coast Guard has gradually developed in response to a series of catastrophic events, which began in 1917.Computer securityComputer security (also cybersecurity, digital security, or information technology (IT) security) is a subdiscipline within the field of information security. It focuses on protecting computer software, systems, and networks from threats that can lead to unauthorized information disclosure, theft, or damage to hardware, software, or data, as well as to the disruption or misdirection of the services they provide.CounterterrorismActivity to defend against or prevent terrorist actions Part of a series onCounterterrorism and Countering violent extremism Methods and approaches Deradicalization Government orgs Counter Terrorism Centre Counterterrorism Mission Center National Counter Terrorism Centre Countering Violent Extremism Task Force National Counterterrorism Center US House Subcommittee Bureau of Counterterrorism CTFD US Senate Subcommittee Counter Terrorism Policing United Nations Office of Counter-Terrorism UN CTITF Individual Offices Coordinator for Counterterrorism Independent Reviewer Systems National Terrorism Advisory System War on terror Terrorist Finance Tracking Program Schools and institutes Combating Terrorism Center CTEC Chicago Project on Security and Threats INSCT START Handa Centre Think tanks International Centre for Counter-Terrorism Terrorism Research Center International Institute for Counter-Terrorism Global Internet Forum to Counter Terrorism Jamestown Foundation Uppsala Conflict Data Program Counter Extremism Project The Investigative Project on Terrorism Intelligence and Terrorism Information Center Global efforts Counterterrorism in China Counterterrorism in Australia Counter-terrorism in Singapore Counter-terrorism in Malaysia Counterterrorism in Colombia Counterterrorism in Argentina Counterterrorism in Canada Counterterrorism in Azerbaijan Legislation Anti-terrorism legislation Incitement Incitement to terrorism Terrorism insurance Executive Order 13224 Anti-Terrorism Act of 2020 vte GIGN operators in 2015.Interior ministryAn interior ministry or ministry of the interior (also called ministry of home affairs or ministry of internal affairs) is a government department that is responsible for domestic policy, public security and law enforcement. In some states, the interior ministry is entrusted with the functions of ensuring national security, immigration issues and protecting places of detention.Border controlMeasures taken to regulate the movement of goods and people across bordersAs seen from the Bhutanese sideAs seen from the Indian sideThe border gate between Phuentsholing, Bhutan, and Jaigaon, IndiaThe gate that borders East Nusa Tenggara in Indonesia and East TimorA train crossing the China–Russia border, travelling from Zabaykalsk in Russia to Manzhouli in ChinaDifferent categories of borders have varying features and levels of security.Border control comprises measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders.Civil defenseThe international distinctive sign of civil defense, defined by the rules of international humanitarian law and to be used as a protective signCivil defense or civil protection is an effort to protect the citizens of a state (generally non-combatants) from human-made and natural disasters. It uses the principles of emergency management: prevention, mitigation, preparation, response, or emergency evacuation and recovery.Air-sea rescueAir-sea rescue (ASR or A/SR, also known as sea-air rescue), and aeronautical and maritime search and rescue (AMSAR) by the ICAO and IMO, is the coordinated search and rescue (SAR) of the survivors of emergency water landings and those who have survived the loss of their seagoing vessel. ASR can involve seaplanes, helicopters, submarines, rescue boats and ships. Specialized equipment and techniques have been developed.CustomsGovernment agency which regulates the flow of goods and collects duties A customs officer in Amsterdam Airport Schiphol checks the luggage of an incoming traveler. Vienna Convention road sign for customs Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country.*As an Amazon Associate I earn from qualifying purchases.