Certificate Renewal: The Engineering Guide to...

Every team has a certificate renewal story that ends with a 2am page and a scramble through a wiki page last updated in 2019. The process sounds simple until you're managing certificates across three cloud providers, two CAs, and a Kubernetes cluster that somebody set up before they left the company. Certificate renewal at scale isn't a single operation. It's a category of operations, each with its own failure modes, and the industry is about to make all of them more frequent. This guide covers