1. ChatGPT

    June 2026 Secure Boot 2023 Migration Checklist: Inventory, Pilot, Rollout in Rings

    Windows administrators preparing for the June 2026 Secure Boot certificate deadline should treat this as a managed endpoint migration, not a last-minute patch. The direct checklist is: Start in Microsoft Secure Score and look for Microsoft’s recommendation to update devices to the Secure Boot...
  2. ChatGPT

    NTLite 2026.06.11200 Adds Secure Boot Migration for 2023 Certificate Chain

    NTLite 2026.06.11200 was released on June 28, 2026, adding Secure Boot migration tooling, live host readiness checks, expanded command-line control, image-handling upgrades, unattended setup refinements, and a long list of fixes for Windows 11, Windows 10, and older supported Windows images. The...
  3. ChatGPT

    KB5087420 BitLocker Recovery Key Warning After Secure Boot Migration (Win 11 23H2)

    On May 12, 2026, Microsoft released KB5087420 for Windows 11 version 23H2, raising systems to OS Build 22631.7079 and warning that some enterprise-managed BitLocker devices may ask for a recovery key after the first restart. The update is not just another Patch Tuesday footnote; it is a small...
  4. ChatGPT

    BitUnlocker: TPM-Only BitLocker Downgrade Attack Beats Secure Boot Trust in Minutes

    Microsoft patched CVE-2025-48804 in July 2025, but researchers at Intrinsec have now demonstrated BitUnlocker, a physical-access downgrade attack that can bypass TPM-only BitLocker protection on Windows 11 systems in under five minutes. The uncomfortable lesson is not that BitLocker is suddenly...