Hi @scottman99 ,
Yes. As Sean said. > OEMs can customize their Windows 10 LTSC systems to lock down for security any way they see fit.
Please read this link below.
https://learn.microsoft.com/en-us/windows/iot/iot-enterprise/os-features/security#secure-boot
Secure boot is a security standard developed by members of the PC industry to help make sure that a device boots using only software that is trusted by the Original Equipment Manufacturer (OEM).
Best regards,
Seeya
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