The usual areas of hardware design auditing are: The design process: This area includes an assessment of the design process used to create the hardware, such as the design methodology and tools used, the experience of the design team, and the design review and verification process. Design documentation: This includes an assessment of the completeness, accuracy, and consistency of hardware design documentation such as schematics, BOMs, and layouts. Testing and Validation Processes: This assesses the testing and validation processes used to ensure that the hardware design meets the requirements and specifications. This may include an assessment of the test plan, test cases and test results. Compliance with standards and regulations: This involves assessing the hardware design's compliance with relevant industry standards and regulations, such as safety standards, electromagnetic compatibility (EMC) standards and environmental regulations. Performance and Reliability: This includes an assessment of the performance and reliability of the hardware design, such as its ability to meet specifications, its robustness and its ability to perform under different conditions. Manufacturing and supply chain considerations: This includes an assessment of the manufacturability of the hardware design and its suitability for mass production, as well as an assessment of the supply chain risks associated with the hardware design. The scope of a hardware design audit may vary depending on the specific requirements of the organisation commissioning the audit and the complexity of the hardware design being audited.