NULLs wins COLM Privacy & Security Workshop Best Paper for natively unlearnable LLMs

AdtRaghunathan · x · 2026-10-10

NULLs (Natively Unlearnable LLMs) won Best Paper at the COLM Privacy & Security Workshop. The work tackles machine unlearning: since training entangles every data source in shared weights, cleanly deleting data from LLMs has proven impossible. NULLs keeps millions of sources individually deletable in a 1B-parameter model trained on web data — a step toward LLMs that can unlearn on demand.

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