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    Microsoft Secure Boot Certificate Expiration: Windows PCs Get 2023 Trust Update

    Microsoft’s latest Secure Boot warning is less a dramatic “upgrade deadline” than a long-planned certificate transition that will touch a huge number of Windows PCs over the next several months. The reason the alert matters is real: Microsoft says its original Secure Boot certificates, first...
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    • secure boot uefi certificates windows security app windows update
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    • Forum: Windows News
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    Windows Security Adds Secure Boot Certificate Status (Green, Yellow, Red)

    Microsoft has done something small on the surface but important in practice: it is giving Windows users a clearer heads-up about the Secure Boot certificate transition that has been looming since the company first warned about it in 2024. The new Windows Security indicators are meant to tell...
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    • certificate rollover it admin alerts it admins secure boot secure boot alerts secure boot certificates uefi certificates uefi firmware windows 10 esu windows 11 windows 11 security windows security windows security app windows update
    • Replies: 5
    • Forum: Windows News
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    KB5081151 Safe OS Update: Windows 11 Secure Boot Cert Expiration Before June 2026

    Microsoft’s March 26, 2026 Safe OS Dynamic Update for Windows 11 version 26H1, tracked as KB5081151, lands at a moment when a much bigger platform transition is coming into view: the June 2026 Secure Boot certificate expiration. In practical terms, this is not just another maintenance package...
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    • agent 365 governance anthropic claude integration certificate expiration copilot cowork device security dynamic update endpoint management firmware updates it fleet management it security updates it update planning kb5081151 kb5081494 kb5083990 microsoft 365 oobe setup privacy and trust safe os dynamic updates secure boot secure boot certificates uefi certificates windows 10 esu windows 11 windows 11 24h2 windows 11 26h1 windows security windows security app windows update winre
    • Replies: 12
    • Forum: Windows News
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