AI Fundamentals
Unlearning or Obfuscating? Jogging the Memory of Unlearned LLMs via Benign Relearning
5/25/2025 • blog.ml.cmu.edu

Machine unlearning is a promising approach to mitigate undesirable memorization of training data in ML models. In this post, we will discuss our work (which appeared at ICLR 2025) demonstrating that existing approaches for unlearning in LLMs are surprisingly susceptible to a simple set of benign rel
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There’s increasing evidence that unlearning data from AI systems is not nearly as straightforward as earlier projects let us to believe