Surge in Nation State Attacks on UK Firms Amid Cyber Warfare Fears

The 2026 Armis Cyberwarfare Report—based on interviews with 1,900 IT decision-makers and Armis Labs data—finds a sharp rise in nation-state activity and anxiety: 54% of UK companies reported state-sponsored attacks, many organisations reported AI-generated attacks, and ransomware costs for large UK firms have increased substantially; the report highlights Russia, China and North Korea as top risks and cites an Iranian-linked destructive claim against a US medtech firm.