Five Eyes Warns Western AI Advantage May Be Only Months from Erosion

Intelligence agencies of the Five Eyes alliance have issued a rare joint statement warning that advanced AI models capable of launching devastating cyber attacks on governments and businesses could emerge within months, urging immediate action from Western governments and businesses. The statement, released late Monday Sydney time by signals agencies from Australia, the United States, the United Kingdom, New Zealand, and Canada, declares that the timeline for current Western AI superiority is "not years, it is months."

The warning cautions that frontier AI models are expected to exceed current industry expectations, fundamentally transforming both offensive and defensive cyber capabilities. While acknowledging that AI can enhance cyber defense over time, the agencies stress that the technology also lowers barriers for malicious actors, increasing the speed, scale, and sophistication of cyber threats. The statement calls for a "whole-of-organisation and whole-of-society" response, emphasising that cyber risk can no longer be treated as a purely technical issue but as a core business risk and leadership responsibility.

The Five Eyes statement does not name specific AI models or companies, but it follows the Trump administration's decision earlier this month to block "foreign nationals" from accessing Anthropic's powerful AI model Fable. Anthropic has two advanced tiers: Mythos, released earlier this year for vetted organizations due to concerns it could be exploited for vulnerability detection, and the more community-friendly Fable 5. Experts anticipate that powerful models from other states, including China, could be equally advanced.

Western cybersecurity professionals have already encountered new AI-driven threats. In May, Google's Threat Intelligence Group reported intercepting an attack where an unknown actor used AI to discover and exploit a previously unknown system vulnerability. Critics have noted that the Five Eyes advice primarily places responsibility on businesses to integrate AI into security operations, while providing little detail on what government measures will be implemented. Additionally, reports from February revealed the U.S. Pentagon is planning to collaborate with leading AI firms to develop cyber tools targeting critical infrastructure of rivals, including China's power grid, highlighting the ongoing AI arms race between attackers and defenders.