Anthropic plans to provide Mythos access to European banks soon, sources say

Anthropic schedules Claude Mythos Preview rollout to leading UK banks this week fulfilling commitments announced Bank of England following limited US access through Project Glasswing. Deutsche Bank CEO Christian Sewing confirmed Monday European institutions coordinate with regulators assessing model-driven vulnerabilities absent direct access delays.

Mythos autonomously identifies critical flaws across banking middleware, legacy systems prompting ECB questionnaires evaluating awareness, mitigation readiness. Frankfurt banking association convenes Monday prioritizing remediation roadmaps ahead broader deployment.

US banks including JPMorgan, Citigroup, Bank of America test Mythos internally surfacing production exploits coordinated through CISA disclosures. Goldman Sachs CEO David Solomon confirmed access leveraging model alongside security vendors enhancing frontier capabilities.

Anthropic restricts rollout gating Level 4 preparedness risks requiring 90-day pauses though European supervisors press accelerated timelines balancing exposure urgency against misuse potential. German Bundesbank advocates wide access enabling preemptive hardening versus reactive patching.

Model outperforms human researchers chaining exploits across OS, browsers, financial APIs outpacing vendor response cycles by 5x. Barclays CEO CS Venkatakrishnan characterized threat serious though inevitable successor models necessitate industry-wide defenses.

European Commission engages Anthropic under AI Act obligations evaluating systemic risks absent extraterritorial enforcement. UK PRA, FCA notify systemically important institutions implementing supervised testing protocols.

Sources indicate no continental European banks hold access though priority lists favor Deutsche Bank, BNP Paribas, Santander reflecting asset scale, tech sophistication. Rollout commences Q2 integrating sovereign safeguards governing model cards, adversarial datasets.

Mythos underscores dual-use tensions democratizing elite hacking absent governance frameworks. Anthropic coordinates international taskforce standardizing disclosures protecting patching velocities against proliferation pressures.