ObfusLM: Privacy-preserving Language Model Service against Embedding Inversion Attacks

Yu Lin, Ruining Yang, Yunlong Mao, Qizhi Zhang, Jue Hong, Quanwei Cai 0003, Ye Wu, Huiqi Liu, ZhiYu Chen, Bing Duan, Sheng Zhong 0002. ObfusLM: Privacy-preserving Language Model Service against Embedding Inversion Attacks. In Wanxiang Che, Joyce Nabende, Ekaterina Shutova, Mohammad Taher Pilehvar, editors, Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2025, Vienna, Austria, July 27 - August 1, 2025. pages 1160-1174, Association for Computational Linguistics, 2025. [doi]

Abstract

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