Helen Warrell

Link is latest revelation in a years-long probe into Smart and TGR, which move money for criminals and sanctioned individuals

Government failed to provide evidence China was a threat to national security

Covert operations in waters surrounding the British Isles pose a grave threat to critical infrastructure and a fresh challenge to Nato

Covert operations in waters surrounding the British Isles pose a grave threat to critical infrastructure and a fresh challenge to Nato

Tim Weiner’s in-depth exposé highlights the challenges from AI, cyber attacks — and fresh scrutiny of the agency’s activity

Appointment of Blaise Metreweli comes as agents grapple with competing threats

Melting sea ice, rising tensions and the relearning of what it will take to master the art of Arctic warfare

A London espionage trial has provided rare insight into the activities of Jan Marsalek, the former payments executive, and how Moscow is outsourcing its spying

Study into Prevent programme comes after FT investigation exposing prevalence of autism in counter-terror casework

Old Bailey hears that some members of group planned operation at a US military base near Stuttgart