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[BUSINESS] · United States · 22 sources

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Financial leaders debate AI bubble risks and banking security

AI bubble Ken Griffin banking security AI agents financial regulation

Financial executives are divided over whether the artificial intelligence boom constitutes a market bubble. Ken Griffin, founder of Citadel, stated that investors are ‘almost certainly’ in an AI bubble, comparing the current GPU market to the telecom overbuild of the early 2000s. However, he noted that companies surviving such bubbles often become market leaders for decades. In contrast, Deutsche Bank CEO Christian Sewing argued there is no immediate evidence for a sudden asset price reversal, while BlackRock CEO Larry Fink emphasized the need to accelerate data center construction to prevent inflation and supply bottlenecks.

Simultaneously, major US banks including JPMorgan Chase, Bank of America, Morgan Stanley, Wells Fargo, and Citi are taking emergency measures to block unauthorized third-party AI agents from accessing customer accounts. These autonomous software agents have been detected operating within accounts, sometimes performing actions—such as contacting call centers or attempting transfers—that appear to exceed explicit user instructions. While many instances stem from customers voluntarily sharing credentials with AI tools in violation of bank terms, lenders are increasingly restricting access to ‘read-only’ permissions to prevent unauthorized financial transactions and protect deposit security.

Entities

Amazon · Anthropic · Bank of America · BlackRock · Christian Sewing · Citadel · Deutsche Bank · JPMorgan Chase · Ken Griffin · Larry Fink · OpenAI

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

그리핀 'AI 거의 확실히 버블'…제빙 '파열 아니다' [www.tokenpost.kr]
Major U.S. Banks Detect Unauthorized AI Agents Operating Inside Customer Accounts [cybernoz.com]
AI agents are acting like rogues and causing a huge headache for US banks [dailyguardian.ae]
Des agents d’IA non autorisés accèdent déjà aux comptes bancaires américains [geekyalgeria.com]
Riesgo de fondos en bancos por el acceso no autorizado de agentes de IA [bitfinanzas.com]
Agentes de AI, a nova (e enorme) dor de cabeça da segurança bancária [braziljournal.com]
AI 代理闖進銀行帳戶，美國大型銀行緊急收緊存取權限 | TechNews 科技新報 [infosecu.technews.tw]
S&P Global alerta de que la deuda IA de las tecnológicas supera lo que reflejan sus cuentas [www.moncloa.com]
Agentes De IA Acceden A Cuentas Bancarias: Alerta En EEUU [www.elperiodico.digital]
US banks detect unauthorized AI agents in customer accounts – Axios [rt-english.com]
貝森特淡化 AI 泡沫風險：不存在系統性問題，全球最聰明的人仍看好人工智慧 [www.blocktempo.com]
Agents IA : les grandes banques américaines tentent de bloquer des accès non autorisés [cryptoast.fr]
Altimeter's Brad Gerstner says AI demand makes this boom different from dot-com [cryptobriefing.com]
Griffin calls AI a bubble but says survivors will lead for decades [www.cryptopolitan.com]
AI is logging into bank accounts – and banks are struggling to tell who’s in control [euroweeklynews.com]
Agents IA : les banques face à un nouveau défi de cybersécurité [www.globalsecuritymag.com]
Agents IA : les banques face à un nouveau défi de cybersécurité [www.globalsecuritymag.fr]
華爾街巨鱷Griffin直言AI泡沫確實存在 但不代表該出清持股 | 鉅亨網 [news.cnyes.com]
Bancos dos EUA bloqueiam agentes de IA a operar em contas bancárias sem o conhecimento dos clientes [observador.pt]
Líderes financieros rechazan temores de burbuja de IA tras dichos de Griffin [www.perfil.com]
Ken Griffin Says AI Is 'Almost Certainly' in a Bubble—And Compares GPUs to Airline Seats [decrypt.co]
Unauthorized AI Agents Are Already Inside Bank Accounts; Here's What JPMorgan, Citi, BofA, Others Are Doing [www.ibtimes.co.uk]