CISO Series Podcast

All links and images can be found on CISO Series This week's episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining us is Chad Rubin, svp cybersecurity, Publicis Re:Sources. In this episode: Getting started beats getting it perfect Bring security in before the concrete dries The instruction was never the control If everyone likes your idea, you're already too late Thanks to Joshua Carpenter of Alliance InfoSystems for providing our "What's Worse" scenario. A huge thanks to our sponsor, Adaptive Security Adaptive Security helps organizations stay ahead of AI-powered social engineering, including deepfake phishing, vishing, and multi-channel attacks. With simulations and personalized training, teams learn to recognize and respond to modern threats before they cause harm. Turn human risk into resilience with security awareness built for the AI era. Learn more at adaptivesecurity.com.

All links and images can be found on CISO Series This week's episode is hosted by me, David Spark, the producer of CISO Series, and Geoff Belknap. Joining us is our sponsored guest Ryan Lloyd, chief product officer, GuardSquare. In this episode: Determinism was never the point Every MCP server is an uncontracted vendor Mobile security, the version everyone's tired of hearing Architectural vanity A huge thanks to our sponsor, Guardsquare Guardsquare delivers mobile app security without compromise, providing advanced protections for both Android and iOS apps. From app security testing to code hardening to real-time visibility into the threat landscape, Guardsquare solutions provide enhanced mobile application security from early in the development process through publication. Learn more about how to protect your app at Guardsquare.com.

All links and images can be found on CISO Series This is a bonus episode of our brand new podcast, Super Cyber Friday Express — a 20-minute highlight version of our live one-hour show we do every available Friday at 1 p.m. Eastern. In this episode, David Spark is joined by Karl Mattson, founder and managing director of Squared Circle Ventures, and Howard Holton, founder and principal analyst at Phronia Counsel LLC, to discuss how your existing environment shapes what you buy next — and whether that's a strategy or just inertia. Watch the full one-hour show at Crowdcast. Subscribe to Super Cyber Friday Express, or any show on CISO Series, at CISOseries.com/subscribe.

All links and images can be found on CISO Series This week's episode is hosted by me, David Spark, producer of CISO Series and Steve Zalewski. Joining us is Varsha Agrawal, head of information security, Prosper Marketplace. In this episode: Lock-in was never about the tech The board wants a green light, not a lesson Time was never the constraint What founders keep getting wrong about security A huge thanks to our sponsor, Vanta No, it's not your imagination. Risk and regulations ARE ramping up—and customers now expect proof of security just to do business. That's why Vanta is a game-changer. Vanta automates your compliance process and brings compliance, risk, and customer trust together on one AI-powered platform. So whether you're prepping for a SOC 2 or running an enterprise GRC program, Vanta keeps you secure—and keeps your deals moving. Companies like Ramp and Writer spend 82% less time on audits with Vanta. That's not just faster compliance—it's more time for growth. Get started at Vanta.com/CISO.

http://www.Threatlocker.com/cisoAll links and images can be found on CISO Series This week's episode is hosted by David Spark, producer of CISO Series and Edward Contreras, senior evp and CISO, Frost Bank. Joining is sponsored guest Rob Allen, chief product officer, ThreatLocker. In this episode: Not my job, still my problem The tools people actually use Mac, Windows, and the debate that won't quit Hiring for imagination, not acronyms A huge thanks to our sponsor, ThreatLocker ThreatLocker delivers Zero Trust Network Access and Zero Trust Cloud Access that verifies both user and device before granting access to specific applications. No broad access, nothing exposed, and no reliance on credentials alone. It's a smarter way to control access and reduce risk. Learn more at ThreatLocker.com/CISO.

All links and images can be found on CISO Series This week's episode is hosted by me, David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining us is Nada Noaman, SVP and CISO, Estee Lauder Companies. In this episode: Skipping the apprenticeship Privileged users nobody manages like one Findings without the authority to fix them Security was always behavioral A huge thanks to our sponsor, Native The Cloud Security Control Plane. Native helps enterprises turn built-in cloud security controls into active, operational defenses across AWS, Azure, Google Cloud, and OCI, so teams can enforce secure-by-design architecture at the source, preview impact before rollout, and keep guardrails aligned as cloud environments change. Learn more at native.security.

All links and images can be found on CISO Series This week's episode is hosted by me, David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining is Pavi Ramamurthy, Global CISO and CIO, Blackhawk Network. In this episode: Numbers that make the board feel good and nothing else The audit is not the same thing as the truth Receipts aren't a strategy Stop blaming the human, fix the system they're standing in A huge thanks to our sponsor, ThreatLocker ThreatLocker delivers Zero Trust Network Access and Zero Trust Cloud Access that verifies both user and device before granting access to specific applications. No broad access, nothing exposed, and no reliance on credentials alone. It's a smarter way to control access and reduce risk. Learn more at ThreatLocker.com/CISO.

All links and images can be found on CISO Series This week's episode is hosted by David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining is Sara Madden, CISO, Convera. This episode was recorded live at BSidesSF 2026. In this episode: Playing vendor roulette Confident and wrong Making conferences count The stakes problem in tabletops A huge thanks to our sponsor, QuilrAI Can you tell if an action in your environment was performed by a human — or an AI agent? QuilrAI's Decision Engine evaluates content, context, and intent before actions complete — across browsers, endpoints, SaaS, LLMs, and agents. Not more alerts. Better decisions, in real time. Visit quilr.ai. A huge thanks to our sponsor, Nudge Security Get a full inventory of AI assets on Day One of your free trial, even those introduced before you started using Nudge. Get started. A huge thanks to our sponsor, Zenity Help shape the future of AI agent security. On May 27th, the AI Agent Security Summit returns to San Francisco. Hear from leading researchers and security pioneers, and usher in the new age of secure AI deployment across the enterprise. Register at zenity.io/ai-security-summit.