Secure Boot Certificate Update Rollout at 50,000 Feet (and Devices): A Field Guide for the Sleep‑Deprived IT Admin – Part 3

Deploying the Secure Boot 2023 certificate update is the easy part. Proving it actually worked is where things get uncomfortable. In Part 3, the spotlight shifts from execution to evidence—where dashboards stop being trusted, reboots start to matter, and firmware finally gets a vote. This is the phase where Windows claims success, devices boot happily, and yet half your fleet may still be clinging…