How many data leak to an llm AI incidents have banks had since 2022?
As of Oct 21, 2026, the register holds 1 publicly reported AI incident at banks and fintechs in the data leak to an LLM category since January 2022. 1 of the 1 record involves systems the institution or a regulator described as AI; 0 are automated systems not described as AI. Countries: United States (1). Average severity 3.0 on a 1–5 scale. Status: 1 confirmed by the institution. The most recent is "Community Bank files 8-K after an employee put customer SSNs into an unauthorized AI app" (May 5, 2026).
Incidents
| Date | Institution | Incident | AI? | Role | Category | Severity | Status |
|---|---|---|---|---|---|---|---|
| May 5, 2026 | CB Financial Services, Inc. (Community Bank, Carmichaels, PA) | Community Bank files 8-K after an employee put customer SSNs into an unauthorized AI app | AI (stated) | Governance finding | Data leak to an LLM | 3 | Confirmed by the institution |
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