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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
Anti-terrorist units to become more visible as part of stepped up security effort
Documents reveal ‘staggering extent of government surveillance’ on public and private information
Coup for May and blow to Foreign Office prestige
Bill extends powers already planned for security services
Safeguards will include codes of practice for tech and communications companies
Committee cautiously welcomes plans to update regime despite privacy concerns
Government pledge to respect internet privacy contradicted by GCHQ and MI5
Security Service tops LGBT index with diversity now seen key to intelligence work
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