Privacy-Preserving Federated Learning in Healthcare, E-Commerce, and Finance: A Taxonomy of Security Threats and Mitigation StrategiesRahul Kumar, Chin-Shiuh Shieh, Prasun Chakrabarti, Ashok Kumar, Jhankar Moolchandani and Raj SinhaEPJ Web Conf., 328 (2025) 01066DOI: https://doi.org/10.1051/epjconf/202532801066