Description

Are you struggling to implement robust container security at scale without creating friction with your development teams? In this episode, host Ashish Rajan sits down with Cailyn Edwards, Co-Chair of Kubernetes SIG Security and Senior Security Engineer, for a masterclass in practical container security. This episode was recorded LIVE at KubeCon EU, London 2025.

In this episode, you'll learn about:

• Automating Security Effectively: Moving beyond basic vulnerability scanning to implement comprehensive automation
• Bridging the Security-Developer Gap: Strategies for educating developers, building trust, fostering collaboration, and understanding developer use cases instead of just imposing rules.
• The "Shift Down" Philosophy: Why simply "Shifting Left" isn't enough, and how security teams can proactively provide secure foundations, essentially "Shifting Down."
• Leveraging Open Source Tools: Practical discussion around tools like Trivy, Kubeaudit, Dependabot, RenovateBot, TruffleHog, Kube-bench, OPA, and more.
• The Power of Immutable Infrastructure: Exploring the benefits of using minimal, immutable images to drastically reduce patching efforts and enhance security posture.
• Understanding Real Risks: Discussing the dangers lurking in default configurations and easily exposed APIs/ports in container environments.
• Getting Leadership Buy-In: The importance of aligning security initiatives with business goals and securing support from leadership.

Guest Socials: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Cailyn's Linkedin

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If you are interested in AI Cybersecurity, you can check out our sister podcast -⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ AI Cybersecurity Podcast

Questions asked:

(00:00) Intro: Container Security at Scale

(01:56) Meet Cailyn Edwards: Kubernetes SIG Security Co-Chair

(03:34) Why Container Security Matters: Risks & Exposures Explained

(06:21) Automating Container Security: From Scans to Admission Controls

(12:19) Essential Container Security Tools (Trivy, OPA, Chainguard & More)

(19:35) Overcoming DevSecOps Challenges: Working with Developers

(21:31) Proactive Security: Shifting Down, Not Just Left

(25:24) Fun Questions with Cailyn

Resources spoken about during the interview:

Cailyn's talk at KubeCon EU 2025