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Newly released files reveal ties between spy and attempt to gauge public opinion in 1940
Third of all major plots foiled in past two years are from far-right, says terror chief
Concern over former foreign secretary came from May’s inner circle at No 10
Chief coroner wraps up inquest with criticism of security measures
Senior counter-terror officer said intelligence resources had been facing raised threats
Surveillance watchdog Adrian Fulford says security service not complying with legislation
UK Security Service at risk of breaking laws to protect public from unlawful surveillance
Andrew Parker reveals 80% of thwarted terror attacks involved individuals ‘inspired by Isis’
Militant groups see border dispute as an ‘opportunity’, say security officials
Debate about approach to the Chinese telecoms group reveals tensions over security roles
UK spy chief accuses Moscow of ‘pernicious actions’ amid ‘fog of lies’
Kremlin’s reaction to MH17 downing cited as example of misinformation campaign
Lone wolf extremists often radicalised online and increasingly difficult to detect
Two others charged with terror offences after alleged plan to attack Downing St thwarted
Two men are to appear in court charged with terrorism offences
Review raising security service doubts followed by news of foiled plot targeting PM
Surveillance watchdog hears of harvesting of social media and financial details
Tech groups under growing pressure to crack down on extremism online
Soldiers to reinforce police security at public spaces to foil possible second attack
MPs say Reyaad Khan was a key figure in plotting Isis attacks against Britons
Detection models are showing weak spots against peripheral figures
Method used recalls earlier terrorist actions in Berlin and Nice
Deputy director of MI5 will succeed Robert Hannigan at electronic surveillance agency
The novelist is a peerless observer of human nature, including his own, writes Tony Barber
