Communications of the ACM
Why Should I Trust Your Code?
Credit: Sunday Cat Studio
Now that communications and storage are encrypted by default, confidential computing (CC) is the next big step in making the cloud more secure: By terminating network connections to a confidential service within a hardware-isolated trusted execution environment (TEE) whose memory is encrypted with keys accessible only to the processor, it is possible to protect data in use and to treat the cloud hosting infrastructure as part of the adversary, much as networking and storage infrastructures are treated today.
Consider, for example, an AI cloud service that uses a large language model to chat with users about a range of sensitive topics such as health, finances, and politics. Many users worry that these services may store their conversations and use them for malicious purposes. Can CC be leveraged to offer strong technical guarantees the conversations will remain private?
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