Language models leak personally identifiable information when summarizing medical and legal documents, and fine-tuning on pseudonymized data substantially reduces leakage in open-weight models.
Computational Linguistics , 48(4):1053–1101
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How Private are Language Models in Abstractive Summarization?
Language models leak personally identifiable information when summarizing medical and legal documents, and fine-tuning on pseudonymized data substantially reduces leakage in open-weight models.