Signals intelligence agencies

Signals intelligence (SIGINT) agencies are organizations tasked with gathering and analyzing information derived from intercepted signals, primarily communications and electronic signals. This form of intelligence plays a crucial role in national defense, security, and foreign policy by providing insights into the activities and communications of foreign entities, including governments, militaries, and terrorist organizations. ### Key Functions of SIGINT Agencies: 1. **Collection**: This involves intercepting signals transmitted through various media, including radio, satellite, and fiber optics.