1 Nature of Iran-linked activities in the UK 6

 1.1 Assessment of Intelligence and Security Committee 6

 1.2 Annual MI5 assessments on Iran state activity 9

 1.3 Threats to journalists 11

 1.4 Cyberthreats 12

 1.5 Charities and civil society 13

2 UK Government actions and response 15

 2.1 Assessment of Intelligence and Security Committee: General recommendations 15

 2.2 Diplomatic activity 16

 2.3 UK sanctions regime 18

 2.4 Designating the Islamic Revolutionary Guard Corps as a threat 19

 2.5 Designations under National Security (States Threats) Act 2026 21

 2.6 Foreign Influence Registration Scheme 22

 2.7 Other government actions in 2025 and 2026 24

3 Iranian government response 26