A woman's astonishing family revelation uncovers how her uncle, a former intelligence officer, used a hollowed-out walking stick to conceal classified MI5 documents for decades after WWII.
Exclusive: British security services uncover sophisticated Russian plot to destroy military and economic infrastructure across London and the UK, prompting urgent counter-measures.
The Met Office has escalated weather alerts across southern England and Wales as a powerful storm system threatens 70mph winds and intense rainfall, sparking major travel disruption fears.
Exclusive investigation reveals Duke of York's concerning connections to individuals under MI5 surveillance, prompting serious questions about royal security protocols and potential vulnerabilities.
Britain's security service warns that Chinese intelligence is creating fraudulent employment opportunities to lure UK citizens into espionage activities, targeting individuals with access to sensitive information.
Exclusive: Two individuals face serious charges under the Official Secrets Act after being accused of assisting Hong Kong intelligence services in a major security breach that has alarmed Whitehall.
Explosive revelations uncover Duke of York's clandestine encounter with China's intelligence head at Royal Lodge, raising serious national security concerns and palace alarm.
Exclusive Home Office data reveals children are being arrested for terrorism offences across England and Wales, with security services warning of increasing online radicalisation threats targeting young people.
The head of Britain's security service reveals mounting frustration over the inability to prosecute individuals accused of spying for China, citing legal and evidential hurdles that are hampering national security efforts.
Exclusive security service warning reveals terrorists are actively grooming children as young as teenagers across Britain, with London and Southport incidents highlighting alarming trend.
Security services issue warning about alleged Chinese spy operating near senior political figures. Exclusive details reveal security concerns surrounding parliamentary activities.
Exclusive look at how Britain's security service is transforming its London headquarters with a Hollywood-inspired makeover to attract top tech talent in the digital age.
MI5 director Ken McCallum reveals sophisticated Chinese cyber operations targeting UK government, businesses and universities in stark security warning.
Security service warns of sophisticated Chinese campaign to cultivate relationships with British politicians and officials, raising serious national security concerns about Beijing's interference in UK democracy.
Britain's security service uncovers sophisticated Chinese state-backed operation to sabotage critical national infrastructure in coordinated cyber assault.
Security service head Ken McCallum reveals sophisticated Chinese campaign to manipulate British politics and undermine democratic institutions through covert operations.
Explosive new details emerge about sophisticated Chinese spying operations targeting British politicians and government institutions, raising serious national security concerns.
Explosive Downing Street dossier reveals how British intelligence agents allegedly passed sensitive secrets to China, raising serious national security concerns and prompting urgent government investigation.
Explosive findings from the Undercover Policing Inquiry reveal how police spies targeted Stephen Lawrence's family and friends while MI5 monitored 'militant' campaigners seeking justice for the murdered teenager.
Security service alerts politicians about sophisticated cyber threats from hostile nations attempting to compromise personal devices and undermine British democracy.
Former security service member Dan Jarvis MP reveals growing concerns about Chinese interference in UK politics, calling for urgent action to protect democratic institutions.
Exclusive: Security services discover suspected Chinese espionage operation with parliamentary researcher charged under Official Secrets Act
Security officials were prevented from raising national security concerns about China's controversial new embassy compound in London, raising serious questions about diplomatic transparency and UK sovereignty.
Explosive revelations from new podcast detail how MI5 uncovered Anthony Blunt's treason and the extraordinary confession made to Queen Elizabeth II about his espionage activities.
Former intelligence officer John Le Carré issues stark warning about political manipulation and foreign interference threatening UK democracy
A man has died after being pulled from the sea in Kent as Storm Amy brings dangerous conditions with severe weather warnings for wind and flooding across Britain.
MI5 and counter-terror police ramp up security measures nationwide following a coordinated attack on a Manchester synagogue that left multiple injured and raised serious security concerns.
Former MI5 director general Lord Evans delivers chilling assessment that Britain faces high probability of significant state-on-state conflict by end of decade, urging urgent defence spending increases.
A landmark legal case accuses MI5 and the Metropolitan Police of operating a 'secret' and unlawful surveillance system in Northern Ireland, raising major concerns over privacy and human rights.
The UK braces for a severe weather onslaught as an 880-mile-wide Atlantic storm system threatens 70mph winds and torrential rain, sparking urgent Met Office warnings for travel chaos and potential damage.