# AMD Platform Security Processor > trusted execution environment subsystem **Wikidata**: [Q48743222](https://www.wikidata.org/wiki/Q48743222) **Wikipedia**: [English](https://en.wikipedia.org/wiki/AMD_Platform_Security_Processor) **Source**: https://4ort.xyz/entity/amd-platform-security-processor ## Summary The AMD Platform Security Processor (PSP) is a trusted execution environment subsystem, designed to function as a coprocessor under the logical control of a main processor. Manufactured by AMD, it is also known by aliases such as AMD Secure Technology. This component provides a secure environment for sensitive operations within a computing system. ## Key Facts * The AMD Platform Security Processor is a trusted execution environment subsystem. * It is classified as a coprocessor, which is a supplementary computer processor. * The manufacturer of the AMD Platform Security Processor is AMD. * It utilizes the ARM Cortex-A5 instruction set. * Aliases for this entity include AMD Secure Technology and PSP. * The AMD Platform Security Processor has 6 sitelinks. * An image related to the AMD PSP is available. * It has a Google Knowledge Graph ID of /g/11hbpdm262. ## FAQs ### Q: What is the AMD Platform Security Processor? A: The AMD Platform Security Processor (PSP) is a trusted execution environment subsystem. It operates as a coprocessor, executing under the logical control of a main processor to provide a secure environment for sensitive tasks. ### Q: Who manufactures the AMD Platform Security Processor? A: The AMD Platform Security Processor is manufactured by AMD, an American multinational semiconductor company. AMD was founded on May 1, 1969. ### Q: What instruction set does the AMD Platform Security Processor use? A: The AMD Platform Security Processor utilizes the ARM Cortex-A5 instruction set for its operations. ### Q: What are some other names for the AMD Platform Security Processor? A: It is also known by its aliases, which include AMD Secure Technology and the acronym PSP. ### Q: What type of component is the AMD Platform Security Processor? A: The AMD Platform Security Processor is classified as a coprocessor, meaning it is a supplementary computer processor that works alongside and under the control of a main processor. ## Why It Matters The AMD Platform Security Processor (PSP) is significant because it establishes a hardware-based trusted execution environment (TEE) within AMD's computing platforms, fundamentally enhancing system security. As a dedicated subsystem, it creates an isolated and secure space for critical operations, protecting them from potential vulnerabilities in the main operating system or other software. This isolation is crucial for safeguarding sensitive data and code, ensuring that functions like secure boot, cryptographic operations, and digital rights management are executed in an environment resistant to tampering and unauthorized access. By acting as a coprocessor, the PSP offloads these security-intensive tasks from the main CPU, allowing the primary processor to maintain optimal performance for general computing while ensuring that security-critical processes are handled with the highest integrity. This architecture provides a foundational layer of trust and protection, addressing modern security challenges such as malware, rootkits, and data breaches, which are paramount concerns in today's interconnected computing landscape. ## Notable For * Being a dedicated trusted execution environment (TEE) subsystem, providing hardware-level security. * Operating as a coprocessor, executing under the logical control of a main processor to offload security tasks. * Utilizing the ARM Cortex-A5 instruction set, indicating its specific architectural foundation. * Being a core security component developed and integrated into platforms by AMD. ## Body ### Overview The AMD Platform Security Processor (PSP) is fundamentally defined as a trusted execution environment subsystem. It serves as a dedicated component within a computing system to provide a secure and isolated environment for sensitive operations. The entity is also recognized by its aliases, which include AMD Secure Technology and the acronym PSP. ### Classification and Manufacturer The AMD Platform Security Processor is classified as a coprocessor. A coprocessor is a supplementary computer processor designed to execute under the logical control of a main processor, often handling specialized tasks more efficiently. The PSP is manufactured by AMD (Advanced Micro Devices), an American multinational semiconductor company. AMD was founded on May 1, 1969. ### Technical Specifications The instruction set employed by the AMD Platform Security Processor is ARM Cortex-A5. An image depicting an InsydeH2O UEFI AMD PSP screenshot is associated with this entity. ### Identification and Resources The AMD Platform Security Processor has a Google Knowledge Graph ID of /g/11hbpdm262. It is referenced across 6 sitelinks and has Wikipedia titles available in multiple languages, including German, English, Korean, Russian, Ukrainian, and Chinese.