secure boot update

  1. Windows 11 March Patch Tuesday KB5079473: Native Sysmon and KEK Secure Boot Updates

    Microsoft’s March Patch Tuesday has landed a consequential, double-edged update for Windows 11: a cumulative rollup that folds highly useful security tools into the operating system while Microsoft’s preemptive Secure Boot certificate refresh and the usual monthly fixes have triggered a stream...
  2. February 2026 Windows 11 Updates Expand Secure Boot CA 2023 Ahead of June Expiry

    Microsoft’s February 10, 2026 cumulative updates for Windows 11 quietly carried more than routine security fixes — they continued a staged rollout that will refresh the operating system’s Secure Boot certificate chain ahead of a looming expiry window that begins in June 2026. What looks like a...