Public research body · Policy · Cheltenham, Gloucestershire · Est. 1919
GCHQ (Government Communications Headquarters) is the UK’s intelligence and security agency responsible for signals intelligence and cyber and security work. Its stated mission is to help keep the UK safe, resilient and prosperous, using technical expertise, analysis, and disruption against threats in both the real world and online.
GCHQ operates under UK intelligence/security legislation and is accountable through UK oversight structures. It also hosts and runs the National Cyber Security Centre (NCSC), the UK’s technical authority on cyber security, and supports national cyber-defence and resilience efforts through programmes that engage government, industry, and academia. In the AI-related domain, GCHQ publicly describes work that focuses on how AI capabilities should be considered for national security and cyber defence, including research partnerships and policy/ethics approaches to emerging technology risks. Strategically, GCHQ positions its role as combining intelligence assessment, technical capability, and partner collaboration to “see around corners” against rapidly changing threats, including hybrid threats and rapidly evolving technology.
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GCHQ’s Heron House offices unveiled as new home of No.10 North
Professor Danielle George Cbe Addresses Science At The Heart Of SecurityGchq Christmas Challenge 2025National Language Competition 2025 Winners Visit GchqLook Up The Sky At Night Examines Jodrell Banks Cold War RoleDirector GCHQ warns UK at ‘moment of consequence’ in inaugural Annual lectureDirector GCHQ Anne Keast-Butler delivered the first Annual Lecture at Bletchley Park
National Language Competition 2025 WinnersDirector Gchq Joins Cyber Industry Experts To Kick Off Cyberuk 2026Major New Exhibition Reveals Gchq Secrets For The First TimeGCHQ announced the unveiling of its Heron House offices as the location for No.10 North, describing it as a hub for innovation and technical expertise and linking GCHQ operations in the North West to cyber and intelligence work.
Professor Danielle George CBE addresses ‘Science at the Heart of Security’GCHQ reported on Professor Danielle George’s Prince Philip Lecture 2026, describing themes including advice/accountability, STEM pipelines, and how research communities connect to national security priorities.
GCHQ Annual Lecture 2026 (as-delivered)GCHQ published the as-delivered text for the 2026 Annual Lecture, describing how GCHQ presents threat assessment and how it frames national cyber security, intelligence, and technical work in a rapidly changing threat environment.
Director GCHQ warns UK at ‘moment of consequence’ in inaugural Annual lectureGCHQ reported on the inaugural Annual Lecture at Bletchley Park, including Director Anne Keast-Butler’s emphasis on resilience, international partnerships, and the urgency of cyber security.
National Language Competition 2025 winners visit GCHQGCHQ reported on the winners of its National Language Competition 2025 visiting GCHQ, describing the competition and the invitation to collect trophies and meet the Director.
Get ready for the GCHQ Christmas Challenge 2025GCHQ announced the return of the Christmas Challenge for 2025 and described sign-up and launch details for schools and teachers.