Patch the Kernel, Skip the Reboot: The Case for Arc-Enabled Hotpatching on Windows Server 2025

For decades, applying a security fix to core OS components meant swapping files on disk and restarting so the loader could map the new image…

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• Netlogon protocol sealing enforcement
• Certificate mapping enforcement
• PAC validation enforcement changes
• Kerberos PAC signature enforcement
• Secure Boot revocation phases