Attester

In the context of technology and data security, an (also known as a Prover) is a component—usually a hardware-based environment or a software service—that provides verifiable evidence about its own state to gain trust from a remote party. Core Role of an Attester

The primary job of an attester is to prove it is "trustworthy and genuine" before it can access sensitive data.

: A separate Verifier service evaluates this evidence against pre-defined security policies.