MI5

PM orders investigation into MI5 over false evidence

MI5 'illegally obtained data' from ex-BBC journalist's phone

Women's WW2 roles at MI5 shared in palace trail

Dame Stella Rimington, former MI5 director general, dies at 90

Video shows British man offering to be Russian spy. Video, 00:01:45Video shows British man offering to be Russian spy

Terror warning over kids using screens over summer

Is the UK really any safer 20 years on from 7/7?

How MI5 piled falsehood on falsehood in the case of neo-Nazi spy who abused women

MI5 false evidence was a serious failing, Cooper says

Judges order 'robust' inquiry into MI5 false evidence

Abuse victim gets settlement after claims MI5 agent protected

MI5 misled watchdog about neo-Nazi spy case

MI5 lied deliberately, BBC tells court

MI5 neo-Nazi spy: Judge had 'no confidence' in Security Service's account of false evidence

Guy Burgess's briefcase among MI5 artefacts on display

MI5 probe of groomed girl continued until death

'Where's my apology from MI5?' asks victim of abusive neo-Nazi agent

How I exposed MI5's lie about its violent abusive agent

MI5 lied to courts to protect violent neo-Nazi spy

Could calling attacks like Southport 'terrorism' help to prevent them?

MI5's tips for spies and Cambridge Five confessions revealed

MI5 World War Two 'watcher' advice revealed

Queen not officially told for years about Palace spy, MI5 papers reveal