Differential privacy is a mathematical technique designed to publish statistical information derived from a dataset without leaking information about individual samples contained in it. This is typically achieved by injecting calibrated noise into the training data in such a way that its overall statistical properties are preserved while making it more difficult to infer details about specific samples.
Sovereignty is not just an issue that cloud providers have to deal with. Suppliers offering a whole portfolio of on-prem products are also being asked questions about it. That was also the case for Cisco, according to CEO Chuck Robbins. And Cisco says it has listened. The result: Cisco Sovereign Critical Infrastructure. It's a mouthful, but it's also a whole portfolio of products for customers with specific sovereignty requirements.