In this episode of the Leanpub Podcast, Sal Kimmich offers a deep technical look at the evolving security landscape across hardware, software, and open-source ecosystems. They discuss how modern attack surfaces emerge from increasingly interconnected systems, where chip-level vulnerabilities, firmware exploits, and opaque supply-chain dependencies create complex and often invisible risks.

Sal explains why digital isolation - both architectural and operational - is becoming essential as organizations confront challenges introduced by distributed development, shadow dependencies, and automated build pipelines

This interview was recorded on November 17, 2025.

The full audio for the interview is here: https://s3.us-east-1.amazonaws.com/leanpub_podcasts/FM328-Sal-Kimmich-2025-11-11.mp3. The Frontmatter podcast is available on our YouTube channel at https://www.youtube.com/leanpub, in Apple Podcasts here https://podcasts.apple.com/ca/podcast/frontmatter/id517117137, and almost everywhere else people listen to podcasts.

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Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

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