Cyber

JPMorgan

America

<p><strong>The G7’s finance ministers and central bank governors have agreed to stage tabletop exercises aimed at mimicking AI-driven cyberattacks on the financial system, stated in an announcement by Japanese Finance Minister Satsuki Katayama.</strong></p>
<p>The objective is to pressure-test situations where this happens to regulators and banks, and how they would detect and recover from such a breach.</p>
<h3 id="g7-signs-off-simulation-plan">G7 signs off simulation plan</h3>
<p>Katayama stated that ministers approved the plans during meetings on the sidelines of the IMF’s annual gatherings in Bangkok. Finance deputies had discussed simulations focused on frontier AI before the ministers approved the proposal.</p>
<p>According to the proposal that was agreed upon, G7 finance ministries and central banks will simulate cyberattacks to test how quickly they can detect breaches, contain them and restore systems. The findings will help update existing crisis response plans.</p>
<p>A Japanese finance ministry official who attended the meeting said the exercises will focus specifically on attacks powered by AI.</p>
<p>Private banks and major financial institutions may also participate, depending on the scenario, to test how well the wider financial system can recover from an attack. The exercises are <a href="https://www.ft.com/content/ce1b9236-1e53-47f1-b1f9-443a9f430b0d?syn-25a6b1a6=1" rel="noopener noreferrer nofollow">designed</a> to assess existing safeguards, update response plans and identify gaps in cross-border cybersecurity.</p>
<h3 id="why-have-regulators-moved-towards-simulation-plans">Why have regulators moved towards simulation plans?</h3>
<p>The proposed exercises come amid warnings from the IMF and central banks that AI-driven fraud and cybercrime threaten both financial stability and public confidence in major institutions.</p>
<p>On October 14, two days before the announcement, Bank of England Governor Andrew Bailey and IMF Managing Director Kristalina Georgieva warned at meetings involving the IMF and World Bank in Bangkok that AI-driven cybercrime was escalating rapidly and could erode confidence in the financial system.</p>
<p>AI is speeding up cyberattacks by helping criminals automate phishing and create convincing fake documents, while also picking out software weaknesses faster than human teams can respond.</p>
<h3 id="not-the-g7-s-first-drill">Not the G7’s first drill</h3>
<p>On May 18, 2026, the G7’s Cyber Expert Group <a href="https://www.reuters.com/world/asia-pacific/g7-launch-exercises-guard-against-ai-cyber-attacks-2026-10-16/" rel="noopener noreferrer nofollow">simulated</a> a malware attack on technical infrastructure shared across the financial sector, involving 24 organizations from G7 countries, including central banks, financial regulators, finance ministries and private firms.</p>
<p>The proposed drills would take a different approach, testing how financial institutions respond when attackers use AI to launch cyberattacks, rather than focusing solely on defending AI systems against threats.</p>
<p>Katayama had already suggested in July that the G7 planned to discuss common AI security and cyber-defense standards for banks, suggesting the October announcement followed months of preparation.</p>
<h3 id="banks-are-already-getting-ready">Banks are already getting ready</h3>
<p>Banks are already taking actions to deter these risks. On October 13, three days before the announcement, JPMorgan Chase CEO Jamie Dimon told investors on the bank’s third-quarter earnings call that the bank had barred external AI agents from directly accessing customer accounts.</p>
<p>Dimon said JPMorgan would not let outside AI agents access its systems without restrictions, citing the risks to both customers and the bank. He warned that rogue agents could number in the thousands.</p>
<p>Bank of America has taken its own precautions, hiring hundreds of contractors to fix vulnerabilities that AI tools uncovered in its systems. The G7 exercise takes this approach to the wider financial system, testing how authorities would respond to an AI-driven attack targeting shared payment networks or widely used banking software across several countries at once.</p>
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G7 leaders to simulate AI cyberattack exercises to test finance sector

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