Search results
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 alongside the Secret Intelligence Service (MI6), Government Communications Headquarters (GCHQ), and Defence Intelligence (DI).
MI5 and MI6 are both intelligence agencies and often work closely together, but we have different missions. MI5 protects the UK's citizens and interests against national security threats (both...
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 keeping the...
MI5 investigate a huge number of individuals and decide whether they should be arrested and pose a threat to the UK. If they do, the case is referred to the police who take the lead in developing that intelligence.
MI5, properly known as the Security Service, is the UK’s security intelligence agency. Although the “MI” stands for “Military Intelligence”, MI5 is a civilian agency without formal executive powers. MI5 is principally concerned with countering threats to domestic security – in contrast to MI6, which is concerned with external security.
But how far does spy fiction stray from the truth? Here are 10 facts about MI5 and MI6 to shed some light. 1. Queen Elizabeth I’s spymaster was a precursor to MI5. MI5’s earliest antecedent was Sir Francis Walsingham, Queen Elizabeth I’s spymaster from 1573 and 1590.
Feb 3, 2020 · The SOIs which MI5 is investigating are given priorities through the allocation of 'tiers' which can change through the course of an investigation: Tier 1: Main targets of an investigation. Tier 2: The key contacts of the main targets. Tier 3: Contact of Tier 1 and Tier 2 targets.
