UK warned of most seismic cyber threat as Russia Iran and China target critical systems

State hackers could strike at scale during conflict

The UK’s National Cyber Security Centre chief Richard Horne warned that the country’s gravest cyber threat now comes from hostile states including Russia, Iran and China. He described a “seismic” geopolitical shift and urged UK firms to strengthen defences, warning that state-backed attacks could be far larger in scope during potential conflict and target critical systems.