2025
Harry Potter is Still Here! Probing Knowledge Leakage in Targeted Unlearned Large Language Models
EMNLP 2025
This work presents LURK (Latent Unlearned Knowledge), a novel framework that probes for undesired knowledge retention in unlearned LLMs through adversarial suffix prompting. LURK automatically generates adversarial prompt suffixes designed to elicit residual knowledge about the Harry Potter domain,