October 23, 2026

AI / FINTECH / CRYPTO / TECH

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Stories: Data privacy

Flow diagram of controls that protect customer data in an LLM app: the signed-in customer, an access layer that runs with the user's permissions, masking of account and card numbers before the prompt and logs, and the model vendor, with logging, encryption and provider assessment underneath

LLM security · Oct 23

LLM Sensitive Information Disclosure in Fintech AI Apps

Why a system prompt cannot hide customer data, and the controls outside the model that can.