In this episode of the Core Strength Podcast, we sit down with Stan Lee, Head of Security and Infrastructure at EarnIn, to explore how network security has evolved over the past three decades and why many of the industry's biggest challenges continue to repeat themselves in new forms. Drawing on a career that spans everything from frame relay networks and early internet infrastructure to cloud security, fintech, and AI, Stan explains how cybersecurity has continuously shifted its focus between networks, endpoints, data, and identity as technology evolved. We discuss why concepts like defense in depth, segmentation, visibility, and operational tradeoffs remain as relevant today as they were decades ago, despite the industry's constant pursuit of new technologies.

The conversation dives into the growing complexity created by cloud, Kubernetes, AI, and hybrid infrastructure. Stan explains why networks never disappeared, they simply became smaller, more distributed, and significantly harder to manage. We explore the economics behind security decisions, why organizations are constantly balancing operational efficiency against risk, and why perfect security remains unattainable in the real world. We also discuss how AI is reshaping both infrastructure and security operations, where it can realistically help security teams today, where human judgment remains critical, and why the future of cybersecurity will likely depend on AI augmenting experienced practitioners rather than replacing them. Finally, Stan shares his perspective on developing security talent, why curiosity matters more than years of experience, and how the industry can better prepare the next generation of defenders.