This session from AWS re:Invent 2023 explores confidential computing and how AWS protects sensitive data in use. Arvind and JD Bean from AWS discuss the Nitro System and Nitro Enclaves, which provide isolation and security for processing sensitive data. Alex from Stripe shares their experience implementing Nitro Enclaves for securing cryptographic keys. The speakers cover use cases across industries like machine learning, adtech, blockchain, and multi-party collaboration. They explain how Nitro Enclaves allow creating isolated compute environments within EC2 instances to process encrypted data securely. The session provides an overview of confidential computing concepts, AWS capabilities, and real-world applications for protecting data in use.