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Contributing Writer
Franz is part of the team behind TokenTimer, an open-source expiration management and certificate lifecycle automation platform. He focuses on the operational and security challenges around expiring infrastructure, certificate automation, DevOps, and SRE workflows.
Certificate renewal is often treated as a scheduled task: run an ACME client, obtain a new certificate, and move on. In practice, that view is too narrow for production systems. A certificate is not useful because it exists on disk. It is useful because the right service is presenting it to users. Between issuance and [โฆ]
Aug 28, 2026 ยท 3 min