Secure Boot is completely broken on 200+ models from 5 big device makers
Keys were labeled "DO NOT TRUST." Nearly 500 device models use them anyway.
https://arstechnica.com/security/2024/07/secure-boot-is-completely-compromised-on-200-models-from-5-big-device-makers/

A the end of that article there is a list of vendors and models that use the compromized keys.

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