CIOs certainly are not new to the challenges of data sovereignty. And equally unnerving -- the big tech companies are having to reconsider their data sovereignty promises. Data Sovereignty Challenges in 2025Figuring out a data sovereignty strategy is not a simple task, with CIOs having to factor in potential challenges from multiple sources. Mignona Coté, CISO of enterprise software company Infor, agreed “You can test, test, test, test, test but still you forgot one use case. Flexibility and portability of the solutions they deploy is key, as the regulations, standards, and expectations around data sovereignty evolve.