https://zimakov.net/tags/m2m/ Recent content in M2m on Oleg Zimakov Hugo en-us Thu, 02 Jul 2026 00:00:00 +0000 https://zimakov.net/posts/machine-to-machine-authentication/ Thu, 02 Jul 2026 00:00:00 +0000 https://zimakov.net/posts/machine-to-machine-authentication/ How services prove who they are to each other without shared secrets — the OAuth client-credentials grant, private_key_jwt, mTLS-bound tokens (RFC 8705), DPoP (RFC 9449), SPIFFE/SPIRE workload identity, and the workload-identity-federation flows from AWS, GCP, and Azure. With diagrams and code.