4 July 2026

AI ‘cyber weapons’ could target America’s power grid, experts warn

The Independent | Anthony Cuthbertson

China claims to have developed an AI 'cyber nuclear weapon' that rivals advanced US models, signaling a new era of cyber warfare. This development follows the U.S. company Anthropic's 'superhuman' AI model, Mythos, which can identify and exploit sophisticated software vulnerabilities, prompting a U.S. government directive to restrict its access.

These advanced AI models can discover and weaponize software vulnerabilities at an unprecedented scale, posing a significant threat to critical infrastructure such as power grids and financial networks. Experts warn that an AI-powered cyber war could cause widespread societal disruption, with human oversight potentially hindered by the sheer speed of machine operations. The Five Eyes intelligence agencies have issued a rare joint statement, emphasizing that frontier AI models pose the greatest risk to critical computing systems within months and urging immediate, coordinated action to mitigate these escalating threats to global stability.

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