Intelligence

The U.S. Intelligence Community is a network of 18 federal agencies and organizations working together to collect, analyze, and share information that protects national security. From the Central Intelligence Agency gathering foreign intelligence to the National Security Agency conducting signals intelligence operations, the IC serves policymakers—including the president and National Security Council—with the information they need to make critical decisions. Intelligence work spans collection, analysis, and dissemination of classified information, with oversight from Congress, the president’s advisors, and internal agency watchdogs.

How Intelligence Agencies Operate

Intelligence agencies collect information through multiple methods, from human intelligence and imagery to signals and cyber operations. The National Security Agency, Defense Intelligence Agency, and National Geospatial-Intelligence Agency represent major Defense Department collection capabilities, while the FBI handles counterintelligence threats within U.S. borders.

Presidential Oversight and Advice

The president receives intelligence guidance from multiple sources. The National Security Council and President’s Intelligence Advisory Board both play key roles in advising the president, though they serve different functions. The PIAB investigates intelligence agencies and pushes for reforms, while the NSC focuses on coordinating policy responses.

Surveillance and Congressional Oversight

Intelligence agencies have significant surveillance authorities overseen by Congress. Section 702 of the Foreign Intelligence Surveillance Act allows certain NSA surveillance activities and is reviewed by the Foreign Intelligence Surveillance Court, with Congress regularly debating reauthorization as legal authority periodically expires.