In this episode, Matt Brown joins the podcast to talk about firmware reverse engineering and supply chains. They discuss Matt's start in information security, his journey into hardware security, and the creation of his YouTube channel. They also explore the vulnerabilities and weaknesses in the supply chain of IoT devices and the challenges of extracting firmware from embedded Linux systems. Matt shares his favorite tools for firmware extraction and the complexities of creating an SBOM in the embedded Linux ecosystem. In this conversation, Paul and Allan discuss the challenges and vulnerabilities in IoT devices. They highlight the lack of security incentives in the IoT industry, the reuse of code across different devices, and the importance of validating firmware updates. They also mention the use of tools like binwalk and unblob for firmware analysis, and the benefits of UART and JTAG for hardware hacking. The conversation emphasizes the need for passion and hands-on experience in exploring IoT security.