MICROSOFT ROLLS OUT NEW SECURE BOOT CERTIFICATES BEFORE JUNE EXPIRATION

Summary from the TLDR InfoSec newsletter

The certificates that Microsoft uses for Secure Boot are set to expire in June 2026 after 15 years of use. Users who have automatic updates enabled will receive the new updates automatically. Admins can deploy the new certificates via registry keys, Group Policy, or Windows Configuration System (WinCS). Windows 10 users who are not enrolled in extended security updates will not receive the new certificates.