AMD Platform Security Processor: Difference between revisions

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AMD has denied requests to open-source the software running on the PSP.<ref>{{Cite web |last=Williams |first=Rob |date=19 Jul 2017 |title=AMD Confirms It Won't Opensource EPYC's Platform Security Processor Code |url=https://hothardware.com/news/amd-confirms-it-will-not-be-opensourcing-epycs-platform-security-processor-code |url-status=live |archive-url=https://web.archive.org/web/20251123014437/https://hothardware.com/news/amd-confirms-it-will-not-be-opensourcing-epycs-platform-security-processor-code |archive-date=2025-11-23 |access-date=2026-02-04 |website=HotHardware}}</ref> This means that the inner workings of the PSP cannot be independently verified and bug-fixing can only be performed by AMD. This is an example of [[Security through obscurity|"security through obscurity"]], which has been criticized for taking away consumer rights.

Some have accused the AMD PSP of having a backdoor because of its closed nature, full system access, and AMD's secrecy and unwillingness to make the code public.<ref>{{Cite web |date=15 Mar 2021 |title=Every modern computer has a backdoor |url=https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |url-status=live |access-date=2026-02-04 |website=sysjolt.com |archive-url=https://web.archive.org/web/20260215213945/https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |archive-date=15 Feb 2026}}</ref>

Some have accused the AMD PSP of having a [[backdoor]] because of its closed nature, full system access, and AMD's secrecy and unwillingness to make the code public.<ref>{{Cite web |date=15 Mar 2021 |title=Every modern computer has a backdoor |url=https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |url-status=live |access-date=2026-02-04 |website=sysjolt.com |archive-url=https://web.archive.org/web/20260215213945/https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |archive-date=15 Feb 2026}}</ref>

==Vulnerabilities==

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 AMD has denied requests to open-source the software running on the PSP.<ref>{{Cite web |last=Williams |first=Rob |date=19 Jul 2017 |title=AMD Confirms It Won't Opensource EPYC's Platform Security Processor Code |url=https://hothardware.com/news/amd-confirms-it-will-not-be-opensourcing-epycs-platform-security-processor-code |url-status=live |archive-url=https://web.archive.org/web/20251123014437/https://hothardware.com/news/amd-confirms-it-will-not-be-opensourcing-epycs-platform-security-processor-code |archive-date=2025-11-23 |access-date=2026-02-04 |website=HotHardware}}</ref> This means that the inner workings of the PSP cannot be independently verified and bug-fixing can only be performed by AMD. This is an example of [[Security through obscurity|"security through obscurity"]], which has been criticized for taking away consumer rights.
-Some have accused the AMD PSP of having a backdoor because of its closed nature, full system access, and AMD's secrecy and unwillingness to make the code public.<ref>{{Cite web |date=15 Mar 2021 |title=Every modern computer has a backdoor |url=https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |url-status=live |access-date=2026-02-04 |website=sysjolt.com |archive-url=https://web.archive.org/web/20260215213945/https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |archive-date=15 Feb 2026}}</ref>
+Some have accused the AMD PSP of having a [[backdoor]] because of its closed nature, full system access, and AMD's secrecy and unwillingness to make the code public.<ref>{{Cite web |date=15 Mar 2021 |title=Every modern computer has a backdoor |url=https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |url-status=live |access-date=2026-02-04 |website=sysjolt.com |archive-url=https://web.archive.org/web/20260215213945/https://www.sysjolt.com/2021/every-modern-computer-has-a-backdoor/ |archive-date=15 Feb 2026}}</ref>
 ==Vulnerabilities==