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not much detail, but slide 12 claims: https://www.platformsecuritysummit.com/2019/speaker/seay/PSEC2019-Azure-Sphere-A-Secure-IoT-Platform-Jewell-Seay.pdf https
by transpute 5y ago
not much detail, but slide 12 claims: https://www.platformsecuritysummit.com/2019/speaker/seay/PSEC2019-Azure-Sphere-A-Secure-IoT-Platform-Jewell-Seay.pdf https://www.platformsecuritysummit.com/2019/speaker/seay/PSE...
> Pluton validates and boots Security Monitor
> Security Monitor validates and boots the Linux Kernel
> Application Signatures are verified by SM and Pluton before Linux Kernel loads an application
- mjg59 5y agoThis design still relies on prior stages of the boot process handing stuff over to Pluton - if there are vulnerabilities in the OEM firmware, they're still going to be exploitable in this model.