To report an imminent threat call 999 or ring the Anti-Terrorist Hotline on 0800 789 321
Current national threat level: SEVERE Read more about threat levels >>
MI5 is proud to fly the rainbow flag over Thames House in support of Pride in London this weekend.
Why MI5 was right for me - Being LGBT+ in the Security Service
We are pleased to announce MI5 is a signatory of the Business in the Community Race at Work Charter.
Andrew Parker, Director General of MI5, is proud to attend the commemorations in Portsmouth for the 75th anniversary of the D-Day landings.
Andrew Parker, Director General of MI5, and Cressida Dick, the Commissioner of the Metropolitan Police, explain how both organisations are working together to tackle the terrorist threat.