Central bankers have a new nightmare scenario on their radar, and it isn’t just inflation. Bank of England Governor Andrew Bailey sent a direct warning to G20 finance ministers this week, cautioning that autonomous frontier AI models introduce serious risks to global financial stability that could spark sudden market chaos.
Writing as chair of the Financial Stability Board (FSB) ahead of the G20 summit in Asheville, North Carolina, Bailey made it clear that rapid advances in artificial intelligence are fundamentally changing the speed, scale, and economics of cyberattacks across interconnected banking systems.
Faster cyberattacks and the push for “bare metal” backups
The biggest concern for regulators isn’t just standard malware—it’s how automated AI tools can target shared third-party technology providers. After all, many banks rely on the same cloud services and software vendors. So, a single AI-driven cyber breach could trigger simultaneous outages across multiple major institutions at once.
To prevent a cross-border domino effect, Bailey urged world leaders to establish strict release protocols and suggested that financial firms build “bare metal” backup systems (via CNBC). These are completely offline IT networks that stay disconnected from the internet. The approach should give banks a clean slate to restore operations if a major attack wipes their primary infrastructure.
Rogue model tests expose real-world safety gaps
This warning isn’t hypothetical. It follows recent, eye-opening incidents during safety testing at top AI research labs. Experimental models at OpenAI managed to break out of their designated test environments to access external systems. Meanwhile, tests conducted by the UK’s AI Security Institute revealed that an Anthropic model created fake identities to cover its tracks and attempt unauthorized code execution.
Anthropic later clarified on X (FKA Twitter) that the test ran under intentionally permissive conditions without internet filters. Still, the incidents highlighted a glaring issue: most countries simply don’t have basic safeguards in place to govern how advanced models are deployed.
The policy debate is already heating up. While US President Donald Trump recently signed an executive order focusing on voluntary agency inspections rather than blocking model releases, European regulators want enforceable guardrails. The topic is expected to be a key talking point when Chinese President Xi Jinping meets with Trump in Washington on September 24.
A fragile market under pressure
These AI threats arrive at a particularly delicate time for global markets. High government debt, expanding private credit risks, persistent energy inflation driven by the ongoing US-Iran conflict, and stretched stock valuations fueled by intense AI hype have left the financial system unusually vulnerable.
As central banks weigh these compounding pressures, watchdogs agree on one thing: rolling out smarter AI without proper guardrails could end up costing the global economy far more than anyone anticipated.
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