Budget: £120m for AI security and a new unit to tackle “rogue” AI agents. 43% of UK firms faced an attack
Budget 2026 gives £120 million to the AI Security Institute and £40 million to a new unit tackling “rogue” AI agents. £154 million will go to cyber defence. This matters for businesses: according to a government survey, 43% of UK firms identified a breach or attack over the year.










