Federated Learning for Cybersecurity: Concepts, Challenges, and Future Directions[J] IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS 2022(18) Alazab, Mamoun Priya, Swarna R. M. Parimala, M. Maddikunta, Praveen Kumar Reddy Gadekallu, Thippa Reddy Quoc-Viet Pham