AI incidents at banks: prompt injection

Last updated Oct 21, 2026 · 1 incident

How many prompt injection 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 prompt injection 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: Several countries (1). Average severity 2.0 on a 1–5 scale. Status: 1 reported. The most recent is "Morse-code prompt injection via Grok makes AI wallet agent Bankrbot send about $150,000-200,000 in tokens" (May 4, 2026).

DateInstitutionIncidentAI?RoleCategorySeverityStatus
May 4, 2026Bankr (Bankrbot), xAI (Grok)Morse-code prompt injection via Grok makes AI wallet agent Bankrbot send about $150,000-200,000 in tokensAI (stated)Institution's own AIPrompt injection 2Reported

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