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Event Brief

Windows and Linux boot security keys expire June 24

Filed: Jun 21, 2026 at 6:03 AM ET
Summary: Cryptographic keys used to secure the boot sequence begin expiring on June 24.
WHO: Windows and Linux security systems
WHAT: Cryptographic keys securing the computer boot sequence start expiring on June 24
WHEN: Jun 21, 2026 at 5:00 AM ET
WHERE: Location not specified
WHY: Cause not yet established.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.

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