MI5 (short for Military Intelligence, Section 5) is the United Kingdom’s domestic intelligence and security agency. It plays a crucial role in national security and counter-intelligence.
📘 Complete Facts – Perfect for All Competitive Exams :
🔹 Field🔸 Detail ✅ Full NameThe Security Service (MI5) ✅ CountryUnited Kingdom (UK) TypeDomestic Intelligence & Security Agency ✅ Main Responsibilities Counter-terrorism, counter-espionage, protection from cyber threats, and safeguarding national security ✅ Founded1909, during fears of German espionage before WWI ✅ HeadquartersThames House, London ✅ Director General Appointed by the Home Secretary (Name changes periodically) ✅ Works alongsideMI6 (foreign intelligence)
✅ GCHQ (cyber intelligence)
✅ Police & armed forces
✅Legal Framework Governed by Security Service Act 1989
Key Difference (MI5 vs MI6)
AgencyDomainCountry MI5 Internal/domestic security UK MI6Foreign/external intelligence UK