FIS has extended its partnership with Anthropic by joining Project Glasswing, the company's initiative that uses frontier AI to identify and address security vulnerabilities in critical software infrastructure. FIS is actively testing Anthropic's most advanced AI model, Mythos 5, to scan and evaluate its own systems as an additional layer within its security program .
FIS has joined Project Glasswing, Anthropic's initiative for securing critical infrastructure software using frontier AI.
FIS is using Mythos 5, Anthropic's most advanced model, to scan and evaluate its own systems .
Project Glasswing participants use advanced AI models for defensive security work to protect foundational software .
The initiative is separate from FIS's commercial AI partnership with Anthropic and reflects proactive security investment .
FIS operates systems that clear payments, move money, and run core banking for thousands of institutions worldwide .
FIS actively engages with FS-ISAC and the Financial Services Sector Coordinating Council for broader security collaboration.
FIS® (NYSE: FIS), a global financial technology leader, is using Mythos 5 through Project Glasswing, Anthropic's controlled-access initiative that applies frontier AI to help strengthen the security of software supporting critical infrastructure, to secure its own systems .
FIS operates systems that clear payments, move money and run core banking for thousands of institutions worldwide. Protecting that code is critical to the stability of global financial infrastructure. At that scale, FIS applies the same standard to its own infrastructure security that it expects from the technology it delivers to clients .
Through Project Glasswing, FIS is putting Mythos 5, Anthropic's most advanced frontier model, to work as an additional layer within its security program. Project Glasswing brings together organizations that build or maintain foundational software. Participants use Anthropic's most advanced AI models for defensive security work. This reinforces FIS' commitment to proactive security and being a supportive partner to the broader security community and financial services sector .
Mythos 5 is the same underlying model as Claude Fable 5 but with safeguards lifted in cybersecurity areas, providing the strongest cybersecurity capabilities of any model in the world. It is initially deployed through Project Glasswing in collaboration with the US government . In the first weeks of Project Glasswing, partners using the model found more than 10,000 high- or critical-severity security flaws .
In addition to FIS' participation in Project Glasswing, its overall security posture is shaped by active engagement with FS-ISAC and the Financial Services Sector Coordinating Council, ongoing regulatory collaboration and industry intelligence-sharing. The initiative is separate from FIS' commercial deployment of Anthropic AI agents but reflects the same disciplined approach to applying advanced AI in financial systems where security, reliability and trust are essential .
About FIS
FIS is a financial technology company providing solutions to financial institutions and businesses. We unlock financial technology to the world across the money lifecycle underpinning the world's financial system. Our people are dedicated to advancing the way the world pays, banks and invests, by helping our clients to confidently run, grow, and protect their businesses. Our expertise comes from decades of experience helping financial institutions and businesses of all sizes adapt to meet the needs of their customers by harnessing where reliability meets innovation in financial technology.
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