Veil-then-Reveal: PII Pseudo-Anonymization for Zero-Trust LLM Use

Mon, 19 Oct 2026 18:41:36 +0000

Engineer — Learn: Novel framework for replacing PII with realistic same-type surrogates before prompts leave the device, preserving linguistic context while keeping plaintext off remote providers. Worth evaluating if building systems that feed sensitive documents into external LLM APIs.
SOC/IR — Skip
Leader — Learn: This research surfaces a practical gap: organizations using external LLM APIs may inadvertently expose PII through prompt logging and retention — useful framing for an AI data-governance policy before the next audit cycle.

Pii-Protection on CuraSec