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cloud-security

TEE

Trusted Execution Environment

Definition

A Trusted Execution Environment is a secure area of a processor that guarantees code and data loaded inside it are protected with respect to confidentiality and integrity. TEEs provide hardware-enforced isolation from the main operating system, hypervisor, and other applications.

Examples include Intel TDX (Trust Domain Extensions), AMD SEV-SNP (Secure Encrypted Virtualization), and ARM TrustZone. TEEs are the hardware foundation for confidential computing.


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