Secure Boot is a foundational Windows security feature that runs at startup, before Windows load, and helps ensure that only trusted, digitally signed software can execute. After more than 15 years of continuous service, the original Secure Boot certificates are reaching the end of their planned lifecycle and begin expiring in late June 2026. To learn more about Microsoft’s effort to update these certificates, see the blog post Refreshing the root of trust: industry collaboration on Secure Boot...
Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).