The European Central Bank is increasing pressure on financial institutions to strengthen cybersecurity protections as artificial intelligence rapidly reshapes digital threat landscapes.
ECB board member Frank Elderson warned euro area banks on Wednesday that they must move quickly to prepare for future cyberattacks assisted by advanced AI systems such as Anthropic’s Mythos model.
Elderson, who also serves as Vice Chair of the ECB’s supervisory arm overseeing European banks, emphasized that financial institutions cannot afford to delay preparations even if they currently lack direct access to the latest AI technologies.
He warned that increasingly capable AI systems could dramatically accelerate the speed and sophistication of cyberattacks targeting banking infrastructure.

Mythos Sparks Industry-Wide Concern

Anthropic’s Mythos AI model has become a growing focus of concern among cybersecurity experts, regulators, and financial institutions globally.
Industry observers believe the technology could significantly improve the ability of attackers to identify vulnerabilities within banking systems, data infrastructure, and legacy software environments.
Recent reports indicated that several large US banks granted early access to Mythos have already begun rushing to address weaknesses identified by the system across internal data and security platforms.
The developments have intensified concerns that AI-powered cyber threats may evolve faster than many institutions can adapt their existing security defenses.

Banks Urged to Act Before Threats Escalate

Elderson stressed that banks should not treat limited AI access as protection from future risks.
Instead, he argued that the absence of direct access makes proactive preparation even more urgent because future AI models may become more powerful and more widely available in a relatively short period of time.
The ECB official warned that regulators and financial institutions must prepare for multiple generations of increasingly capable AI systems that could emerge rapidly and intensify cyber risks across global financial networks.
His comments reflect growing concern among policymakers that AI-driven attacks may eventually challenge traditional cybersecurity frameworks used throughout the banking industry.

Financial Sector Accelerates Cybersecurity Investments

The warning comes as financial institutions across Europe and the United States continue increasing investments in cybersecurity infrastructure and AI-driven threat detection systems.
Banks are now facing pressure not only from regulators but also from shareholders and clients demanding stronger digital resilience as cyber risks become more complex.
Advanced AI systems are increasingly being used both defensively and offensively, with institutions adopting machine learning tools to monitor suspicious activity, detect fraud, and identify vulnerabilities before they can be exploited.
However, regulators caution that malicious actors may gain access to similarly advanced systems capable of automating cyberattacks at unprecedented scale and speed.

Regulators Push for Faster Preparedness

European regulators have become increasingly vocal about the need for stronger digital preparedness across the financial sector.
The ECB, along with national regulators including Germany’s BaFin, has recently highlighted artificial intelligence as one of the most significant emerging operational risks facing banks.
Supervisory authorities are now encouraging institutions to conduct more frequent cybersecurity stress tests, strengthen internal controls, and accelerate modernization of aging IT systems.
The warnings also come amid broader concerns that legacy banking infrastructure may struggle to withstand next-generation AI-assisted attacks targeting critical financial networks.

AI Regulation and Financial Stability in Focus

The rapid advancement of artificial intelligence is forcing regulators to balance innovation opportunities with growing systemic risks.
While banks continue adopting AI technologies to improve efficiency and customer service, policymakers increasingly view cybersecurity preparedness as essential for maintaining broader financial stability.
Analysts expect regulators across Europe, the United States, and Asia to continue expanding oversight frameworks surrounding AI use in banking and financial services over the coming years.
The ECB’s latest warning underscores how quickly artificial intelligence is becoming both a strategic opportunity and a major operational risk for the global financial sector.