Defense·4/22/2026AI summary UK Faces ‘Hacktivist Attacks at Scale’ Risk in Conflict, Warns Cyber Security Chief
The UK could face hacktivist attacks at scale if embroiled in conflict, with impact similar to recent ransomware incidents, NCSC chief Richard Horne will warn at CyberUK conference. Nation states now account for the most significant cyber incidents, with ransomware attacks hitting Marks & Spencer, Jaguar Land Rover and Royal Mail. Horne echoed MI6 chief’s warning that the UK is in ‘a space between peace and war’ as geopolitical tensions rise with Russia.