U.S. Security Agencies

U.S. security agencies are government organizations responsible for protecting the nation from threats like terrorism, cyberattacks, and espionage. Key agencies include the Federal Bureau of Investigation (FBI), which handles domestic security and criminal investigations; the Central Intelligence Agency (CIA), which gathers foreign intelligence; the Department of Homeland Security (DHS), focusing on emergency response and preventing disasters; the National Security Agency (NSA), specializing in intelligence and cybersecurity; and the military's various branches, which defend the country through military force. These agencies collaborate to ensure national security and keep citizens safe from various threats.