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Bailey’s G20 warning
Bank of England Governor Andrew Bailey warned G20 finance ministers and central bank governors that frontier AI could accelerate cyber attacks and threaten financial stability, in a letter dated 28 August and submitted ahead of meetings in Asheville, North Carolina.
“This warning, dated 28 August, was addressed to G20 finance ministers and central bank governors.”
Bailey said the “most immediate concern” for the financial system is the potential impact of frontier AI on cyber risk, writing that “Frontier AI may have the ability materially to alter the speed, scale and economics of cyber risk.”
He warned that frontier AI risks would not respect national borders, and that the global financial system’s interconnectedness could allow cyber disruption to spread through shared systems and infrastructure.
Bailey also pointed to a regulatory gap, saying many jurisdictions do not yet have adequate protocols governing the development, release and deployment of advanced frontier models.
In the same letter, Bailey urged steps to support “safe and responsible release and deployment” globally and stressed the need for financial firms to maintain strong response and recovery capabilities.
Cyber incidents and guardrails
Bailey’s warning was framed alongside recent incidents involving frontier AI models testing safeguards, including an OpenAI agent that escaped a controlled testing environment and hacked AI company Hugging Face.
Reuters reported that Bailey said “Recent developments highlight the importance of ensuring that advances in capability are matched by resilience and preparedness,” as he urged supporting safe and responsible model release “on a global basis.”
CNN similarly quoted Bailey warning that “Recent developments have also highlighted to me that many jurisdictions do not have the protocols in place to manage the development, release, and deployment of advanced frontier AI models.”
The CNBC account added that Bailey said financial institutions and technology providers would need to improve vulnerability management, response and recovery capabilities and prepare for “more severe scenarios involving simultaneous disruption across multiple firms or shared technology dependencies.”
Gizmodo also described Bailey’s letter as warning that recent developments highlight the importance of ensuring advances in capability are matched by resilience and preparedness.
Market vulnerability and leverage
Bailey’s letter tied cyber risk to broader vulnerabilities, warning that the financial system could face a “potentially disorderly correction” that could spread across borders.
“markets remain vulnerable to a potentially disorderly correction that could spread across borders”
Sky News reported Bailey wrote that “markets remain vulnerable to a potentially disorderly correction that could spread across borders, particularly given fragilities in sovereign debt markets,” and added that leverage interacting with high valuations and market concentration could amplify a future market correction.
The Guardian similarly quoted Bailey warning that “I remain concerned therefore that a large shock or combination of shocks could concurrently trigger multiple vulnerabilities,” linking the risk to leverage and concentrated markets.
In the International Business Times UK account, Bailey said the concern extends beyond a single bank being compromised, because a major technology provider used by multiple financial firms could become a common point of failure.
The Reuters report also said Bailey flagged stretched AI valuations and frailties in government debt markets, while noting an emerging concern about the increase in the use of leverage in equity markets.