All news on the topic: MI5

The 31-year-old man accused of killing students Barnaby Webber and Grace Kumar and school caretaker Ian Coates was reportedly known to MI5 after an incident at their Westminster headquarters

Former television presenter Baroness Benjamin has praised King Charles for his coronation selection, saying her inclusion for the historic event shows he is embracing diversity

The massive ­exercise, which is dubbed Operation Tower of London, involves thousands of police manning London’s streets. It will be backed up by elite teams of armed guards, snipers and the military

The secret service is looking for someone skilled in carpentry, plastering and electrics to work at their HQ. Sadly 'there's no chance of a Martini on the job'

No amount of propaganda from can hide the dismal failure of 13 years of Tory misrule when plummeting living standards are the result of their catastrophic mistakes

Anne Keast-Butler, who has spent 30 years in national security, will take over as head of the British listening station in Cheltenham, Glos, next month

The PSNI says it has "strong" intelligence suggesting officers could be targeted in Derry on Monday, the day before US President Joe Biden and PM Rishi Sunak are due to mark the anniversary of the Good Friday Agreement

Figen Murray – whose son Martyn Hett, 29, was among 22 killed in 2017 – said a levy of 50p per ticket could raise £1million a year so venues could buy essential kit

Defence Secretary Ben Wallace wanted an £11bn boost to take account of the war in Ukraine and the rising threat posed by China, but has been forced to make do with far less

The Greater Manchester Metro Mayor piled pressure on Labour leader Keir Starmer to back the Mirror's calls to extend free school meals to all primary school pupils in England

The two-time Labour leadership hopeful left the door open to a Westminster comeback - but insisted he was 'genuinely excited' about more powers being handed to the North.

Salman Abedi had been on MI5’s radar aged 15 and had been to Libya several times - nobody in the UK security system will be blaming themselves more than those in MI5 who failed, writes Chris Hughes

Manchester Arena Inquiry chairman Sir John Saunders released his findings on Thursday, which determined MI5 officers failed to take appropriate action on two key pieces of intelligence received in the months before the attack

Today's publication of the final report of the Manchester Arena Inquiry looked at whether the attack could have been prevented, the planning and preparation of the attack and the radicalisation of Abedi

Salman Abedi's Muslim preacher friend Mansour Al-Anezi was investigated by the security services before a failed suicide bombing in Exeter in 2008

Salman Abedi killed 22 people at the Manchester Arena after he detonated a home-made device at an Ariana Grande concert in 2017, but a probe has revealed MI5 were aware of him in 2014

Sir Julian Lewis, who chairs Parliament's Intelligence and Security Committee, issued the warning as he addressed the Royal United Services Institute

Berlin spy David Smith was a former security guard at the British Embassy in Germany and had admitted eight charges under the Official Secrets Act. Today he was jailed at the Old Bailey

David Smith, 58, hoarded documents and was caught filming a man he thought was a Russian "traitor" where he worked at the British embassy in Berlin

David Ballantyne Smith collected highly sensitive secrets while working as a security guard in the British Embassy in Berlin and sold them to Russia for large amounts of money

Suella Braverman said 'major reform' is needed of the controversial Prevent programme after a long-delayed review. But Amnesty International said it was 'riddled with biased thinking, errors, and plain anti-Muslim prejduice'

Former FSB spy Boris Karpichkov, who received a sinister death threat, believes neither the police nor MI5 can protect him, claiming they have done little to protect him when similar threats arrived