Mutual TLS (mTLS)

Mutual TLS (mTLS) extends ordinary TLS by requiring both the client and the server to present and verify certificates. Standard TLS proves the server's identity to the client; mTLS proves both identities to each other, so neither end talks to an unauthenticated peer. It is a common building block of zero-trust networking, where no service is trusted by default.

For a control layer whose components and agents call one another constantly, mTLS ensures service-to-service traffic is both encrypted and mutually authenticated - a request cannot come from an unidentified caller. Combined with post-quantum key exchange, the same handshakes stay confidential against a harvest-now, decrypt-later attack.