Update term_specification_matrix.md

term_specification_matrix.md

@@ -7,6 +7,7 @@ This matrix provides an overview of key terms related to Confidential Computing,
 | Term                                  | Definition (Summarized)                                                                                                                    | Linked Resources                                                                                                             | Underspecified?                                                                                                                  |
 |---------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------|
 | **Confidential Computing**            | The protection of data in use by performing computation in a hardware-based, attested Trusted Execution Environment.                        | [CCC](https://confidentialcomputing.io)                                                                                      | No                                                                                                                              |
+| **Confidential Payload**            | A set of code and data specifically designed to be executed within Trusted Execution Environments (TEEs) while maintaining strict confidentiality and integrity.                         |                                                                     | No                                                                                                                              |
 | **Workload Identity**                 | Unique identity assigned to software workloads for authentication and access management across services and resources.                             | [Microsoft Learn](https://learn.microsoft.com/en-us/entra/workload-id/workload-identities-overview),                                           | Yes, different usages across cloud providers (Microsoft, AWS, Google Cloud).                                                     |
 | **Remote Attestation**                | A process whereby a system produces information about itself (typically cryptographically-backed) and another party verifies that information, allowing decisions to be made about what types of trust relationships are appropriate to the first system. | [IETF RFC 9334](https://datatracker.ietf.org/doc/html/rfc9334), [CCC Blog](https://confidentialcomputing.io/2023/04/06/why-is-attestation-required-for-confidential-computing/)         | No                                                                                                                              |
 | **Enclave**                           | CCC does not currently support this definition as it's not industry wide.                                                            |                      | No                                                                                                                              |