Embedded Executive: A Raspberry Pi Really Can Be Secure, Zymbit
May 22, 2024
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Alex Kaay, CTO and co-founder of Zymbit, discusses debunking the myth that Raspberry Pi is insecure. Exploring the evolution of security layers, secure boot configurations, and the importance of hardware security modules like ZIMBITS HSM. Focus on secure chains and isolation to enhance IoT security.
Raspberry Pi's simplicity enhances long-term security through minimal code layers and transparency.
Implementing dedicated hardware security modules like Zymbit's HSM strengthens Raspberry Pi's security capabilities for IoT applications.
Deep dives
Enhancing Raspberry Pi Security with Simplicity
The podcast delves into the misconception that Raspberry Pi and security are not compatible. Alex Kaid, CTO of Zimbet, refutes this notion by highlighting that Raspberry Pi's simplicity, characterized by its minimal code layers and open environment, actually enhances long-term security. While Raspberry Pi may require additional security elements like secure boot and paired secure chips, its straightforward nature makes it more transparent and adaptable over time, providing robust security for IoT applications.
Implementing Secure Raspberry Pi for IoT Applications
The discussion extends to practical implementation of secure Raspberry Pi systems for IoT. This involves utilizing Raspberry Pi's built-in security features like secure boot alongside dedicated hardware security modules tailored for IoT use, such as Zimbet's HSM. These modules secure the inexpensive host device, strengthening its security capabilities beyond traditional x86 systems. IoT engineers are encouraged to establish demonstrable secure chains, isolation during upgrades, and physical security measures to ensure robust protection throughout the device's lifecycle.
Understatement: Raspberry Pi is popular with the embedded community.
Myth: Raspberry Pi is not a secure platform.
I believed in that myth until a recent conversation with Alex Kaay, the CTO and co-founder of Zymbit. The beauty of the Pi is in its simplicity, but don’t equate simplicity with unsecure. Alex walked me through why people's beliefs are what they are, and more importantly, why those beliefs are misguided. Check out this week’s Embedded Executives podcast and see if you’re a believer.
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