linux shim

  1. Secure Boot Certificate Expiration: Plan for Windows, Linux, and OEM Firmware (2023 CA)

    Microsoft has confirmed that the original Secure Boot certificates shipped with most Windows PCs are nearing the end of their life, and the transition to new certificates is already underway — a quietly consequential change that affects Windows servicing, OEM firmware, Linux compatibility, and...
  2. Secure Boot Certificate Rollover 2026: Plan Now to Safeguard UEFI Boot

    Microsoft has warned that the cryptographic roots underpinning UEFI Secure Boot on Windows devices will begin to expire in June 2026, forcing a global certificate update that every IT team and many end users must plan for now to avoid boot-level insecurities and loss of updateability. Background...