Apple has taken a significant step forward in cloud AI compute security with the introduction of Private Cloud Compute (PCC). This innovative technology provides groundbreaking privacy and security protections by bringing Apple's industry-leading device security model into the cloud. To build public trust, Apple is making resources available for security and privacy researchers to inspect and verify PCC's end-to-end security and privacy promises.
Source: https://security.apple.com/blog/pcc-security-research/