GCHQ (Government Communications Headquarters)

GCHQ, or Government Communications Headquarters, is the UK's signals intelligence and cybersecurity agency. It intercepts and analyzes electronic communications—such as emails, phone calls, and internet activity—to help protect national security, prevent crime, and support government operations. GCHQ also works to safeguard the UK's infrastructure from cyber threats and collaborates with international partners. It operates largely in secrecy, using advanced technology and intelligence methods to monitor and decode digital communications, ensuring the safety and security of the nation in an increasingly connected world.