Concern has grown at Beijing’s potential hold on strategic assets
BBC claims security service ‘lied’ to protect identity of alleged domestic abuser
Daniel Khalife embarked on ‘fantastical plan’ to be a double agent and sparked a nationwide manhunt after prison escape
Separate bodies tasked with tackling specific ideologies can lead to twisted incentives
Revising the UK’s counterterror system comes with trade-offs, but a compromise in policy change could be reached
Previously classified papers suggest US law enforcement chief wanted his UK honour recorded in Debrett’s
Study into Prevent programme comes after FT investigation exposing prevalence of autism in counter-terror casework
Immigration hearing rules businessman had ties to prominent Britons that could be ‘leveraged for political interference’
Two revealing books explore the unsung work and elusive lives of secretaries and intelligence agents on both sides of the Atlantic
Dylan Earl pleads guilty to offence under UK’s new National Security Act
UK faces sharp rise in state-backed espionage as well as resumed threat from al-Qaeda, says Ken McCallum
Interim Kenova statement calls on UK government and republican leaders to apologise to victims of Troubles
Police urge caution with ‘small group’ still determined to ‘destabilise’ region’s political institutions
New forum hears from senior official at domestic security agency on threats posed by hostile states and terrorist groups
Deputy PM Oliver Dowden to announce creation of public-private forum on economic security challenges facing Britain
Rishi Sunak’s comments come after arrest of parliamentary researcher on suspicion of spying for Beijing
Women have a proven aptitude for codebreaking but after the second world war they were mostly overlooked
Assessment by domestic intelligence agency MI5 means attack is ‘highly likely’
Public inquiry finds 2017 bombing ‘might have been prevented’ if key piece of information had been acted on
Judges rule shortcomings ‘ought to have been addressed urgently’ by MI5’s board and Home Office
UK should be more self-sufficient and increase seasonal worker visas, Eliza Manningham-Buller tells NFU
The girl who joined Isis in Syria aged 15 has been deprived of her British citizenship but she may have been trafficked
Domestic security agency making ‘biggest shift in a generation’ as it also contends with threats from Russia and Iran
Intelligence and security committee warns agency’s counter-espionage role at risk without extra resources
Beijing is using ‘every tool’ to steal western technology, FBI director says after MI5 meeting
