MI5 - Wikipedia
MI5 (Military Intelligence, Section 5), [2] officially the Security Service, is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery …
Home | MI5 - The Security Service
Discover how MI5 works to protect against threats to national security through intelligence gathering techniques, partnerships and legislation. Find out how you can play your part in …
MI-5 (TV Series 2002–2011) - IMDb
Enjoy one of the most memorable security-service dramas ever! Having only just registered, this review is rather late for the U.K viewers. "Spooks" or `MI-5' in U.S listings is one of the best …
What We Do | MI5 - The Security Service
MI5 protects the UK against threats to national security. Threats can range from terrorism to attempts by states to harm people in the UK and undermine our way of life. We carry out...
About Us | MI5 - The Security Service
MI5 exists to protect the UK from threats to our national security, primarily terrorism and threats posed by states. More than 5,000 people work at MI5, bringing together people with lots of...
MI5 | Security Service, Intelligence Agency, Counterterrorism ...
Apr 9, 2025 · MI5, intelligence agency charged with internal security and domestic counterintelligence activities of the United Kingdom. It is authorized to investigate any person …
The Security Service - GOV.UK
The Security Service, MI5, is responsible for protecting the UK against threats to national security. MI5 works with the Home Office is supported by 1 public body.