Filigran Report: 90% of Financial Sector Breaches Driven by Financial Gain as AI and Supply Chain Threats Escalate

Filigran, the European open-source threat management company, released Cyberthreats in the Financial Sector, a report mapping the evolving threat landscape facing financial institutions and the regulatory shifts redefining how they must respond.

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The report finds that 90% of breaches affecting financial institutions in 2025 were financially motivated, with data breaches accounting for 64% of incidents and ransomware 36%. The financial sector was the second-most expensive industry for data breaches, at $5.56 million per breach.

AI is compounding the risk. Shadow AI accounted for 20% of AI-related breaches, and 97% of affected organizations lacked adequate access controls. Supply chain compromise reached systemic levels, with third-party involvement in 30% of financial-sector breaches.

With the EU’s Digital Operational Resilience Act (DORA) now enforceable, financial institutions must demonstrate intelligence-led risk management, threat-led penetration testing on live systems, and robust third-party oversight.

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