@article{thehiddencostsofdomainfinetuningpiibeari,
  title = {The Hidden Costs of Domain Fine-Tuning: Pii-Bearing Data Degrades Safety and Increases Leakage},
  author = {Jayesh Choudhari and Piyush Kumar Singh},
  year = {2026},
  eprint = {2603.00061},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.00061},
}