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CISO Series Podcast

Author: David Spark, Mike Johnson, and Andy Ellis

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Discussions, tips, and debates from security practitioners and vendors on how to work better together to improve security for themselves and everyone else.
394 Episodes
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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 them is Vikas Mahajan, vp and CISO, American Red Cross. In this episode: Questionnaires aren't risk management The good old days were worse Buying or building your SOC Start the conversation, not the checklist Huge thanks to our sponsor, Adaptive Security Sponsored by Adaptive Security—the first cybersecurity company backed by OpenAI. AI impersonation and deepfakes have made trust the new attack surface. Adaptive runs realistic social-engineering simulations and instantly turns threats, policies, and compliance needs into interactive, multilingual training. Trusted by Fortune 500s. Learn more at adaptivesecurity.com.
All links and images can be found on CISO Series. This week's episode is hosted by David Spark, producer of CISO Series and Steve Zalewski. Joining them is Tammy Klotz, CISO, Trinseo. In this episode: Accountability without authority Kill your hacklore Voice is no longer enough Studies that tell us what we already know Huge thanks to our sponsor, ThreatLocker Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com.
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 them is Russ Ayres, CISO, Principal Financial Group. In this episode: Metrics that matter Tool babysitting problem Automating the brokenness Stay connected intentionally Huge thanks to our sponsor, Strike48 Strike48 is the Agentic Log Intelligence Platform that actually puts AI agents to work, combining full log visibility with AI agents that investigate, detect, and respond 24/7. With pre-built agent clusters for security and a no-code agentic workflow builder, it's easy to get started. Learn more at strike48.com/security.  
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 them is Janet Heins, CISO, ChenMed. In this episode: Inbound gets ignored Independence under constraint Methodology means nothing Lives over logins 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 week's episode is hosted by David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining them is Johann Balaguer, Global CISO, Hard Rock Hotels and Casinos. In this episode: Understanding the why Own your digital self Invest beyond tenure Prepare for dependencies Thanks to Louis Zhichao Zhang, AIA Australia for contributing this week's "What's Worse?!" scenario. 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 week's episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining them is Sara Madden, CISO, Convera. In this episode: Hold developers accountable Credibility through candor Be strategic with AI deployment Resources don't guarantee security Huge thanks to our sponsor, ThreatLocker ThreatLocker makes Zero Trust practical. With Default Deny, Ringfencing, and Elevation Control, CISOs get real control that's easy to manage and built to scale. Stop threats before they execute and reduce operational noise without adding complexity. See how simple prevention can be 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 Matthew Southworth, CSO, Priceline. Joining them is sponsored guest, Saket Modi, CEO, Safe Security. This episode was recorded live at FAIRCON25 in NYC. In this episode: AI won't stay broken Identity before intelligence People decide risk appetite Automate with oversight Huge thanks to our sponsor, Safe Security SAFE is the leader in Cyber Risk Quantification and the first company to deliver 100% autonomous Third-Party Risk Management. Powered by Agentic AI and built on FAIRtm, SAFE empowers CISOs, cybersecurity, and TPRM leaders to continuously quantify, prioritize, and mitigate cyber risks across their entire attack surface – enabling digital growth and organizational resilience. Learn more at testdrive.safe.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 Matt Southworth, CISO, Priceline. Joining us is our sponsored guest, Leslie Nielsen, CISO, Mimecast. In this episode: Automating dysfunction Leading without dominating Unglamorous wins Code without comprehension Huge thanks to our sponsor, Mimecast. Cyber threats are getting smarter every day, and threat actors aren't just targeting your technology, they're targeting your most valuable asset - your people. Mimecast helps you identify and secure risk with a unified, intelligent platform that protects across the spectrum of threats; from email and chat to file sharing. Learn more at www.mimecast.com.
All links and images can be found on CISO Series. This week's episode is hosted by David Spark, producer of CISO Series and Brett Conlon, CISO, American Century Investments. Joining them are Ryan Barras, CISO, Mount Sinai Medical Center. In this episode: Nobody understands what we do Someone else should fix this Make the audience care Speaking CEO Huge thanks to our sponsor, Dropzone AI Dropzone AI autonomously investigates every security alert—no playbooks needed. This AI SOC analyst queries your CrowdStrike, Splunk, threat intel feeds, and 60+ other tools to build complete investigations in 5 minutes. Unlike black-box automation, it shows every query, finding, and decision. See it work yourself—explore the self-guided demo at dropzone.ai.
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 them is their sponsored guest, Danny Jenkins, CEO, ThreatLocker. In this episode: AI for AI's sake Stop selling, start protecting Stop calling everything sophisticated Least privilege, rebranded Huge thanks to our sponsor, ThreatLocker ThreatLocker makes Zero Trust practical. With Default Deny, Ringfencing, and Elevation Control, CISOs get real control that's easy to manage and built to scale. Stop threats before they execute and reduce operational noise without adding complexity. See how simple prevention can be 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 John Barrow, CISO, JB Poindexter & Co. In this episode: Building unicorns, not hunting them Cold War frameworks for modern threats Trading dollars for stories Mirror, mirror on the wall Huge thanks to our sponsor, Vanta Vanta automates key areas of your GRC program—including compliance, risk, and customer trust—and streamlines the way you manage information. A recent IDC analysis found that compliance teams using Vanta are 129% more productive. Get back time to focus on strengthening security and scaling your business at vanta.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 Andy Ellis (@csoandy), principal of Duha. Joining them is Richard Rushing, CISO, Motorola Mobility. In this episode Mindset over tools When hygiene becomes risk Systems for actual humans Conversations over compliance Huge thanks to our sponsor, ThreatLocker ThreatLocker® Defense Against Configurations continuously scans endpoints to uncover misconfigurations, weak firewall rules, and risky settings that weaken defenses. With compliance mapping, daily updates, and actionable remediation in one dashboard, it streamlines hardening, reduces attack surfaces, and strengthens security. Learn more at threatlocker.com.
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 (@csoandy), principal of Duha. Joining them is our sponsored guest, Nathan Hunstad, director, security, Vanta. In this episode: Metrics that matter Testing for real AI as an assistant Intelligence without context Huge thanks to our sponsor, Vanta Vanta automates key areas of your GRC program—including compliance, risk, and customer trust—and streamlines the way you manage information. A recent IDC analysis found that compliance teams using Vanta are 129% more productive. Get back time to focus on strengthening security and scaling your business at vanta.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 Jeff Steadman, deputy CISO, Corning Incorporated. Joining them is Quincey Collins, CSO, Sheppard Mullin. This episode was recorded live at the ISSA LA Summit in Santa Monica, California. In this episode:  The foundational debate Strength over breadth Beyond traditional backgrounds Keeping perspective on risk Huge thanks to our sponsors, Adaptive Security and Dropzone AI AI-powered social engineering threats like deepfake voice calls, GenAI phishing, and vishing attacks are evolving fast. Adaptive helps security leaders get ahead with an AI-native platform that simulates realistic genAI attacks, and delivers expert-vetted security awareness training — all in one unified solution. Learn more at adaptivesecurity.com. Dropzone AI autonomously investigates every security alert—no playbooks needed. This AI SOC analyst queries your CrowdStrike, Splunk, threat intel feeds, and 60+ other tools to build complete investigations in 5 minutes. Unlike black-box automation, it shows every query, finding, and decision. See it work yourself—explore the self-guided demo at dropzone.ai.
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 (@csoandy), principal of Duha. Joining us is Sara Madden, CISO, Convera. In this episode:  Optimizing for reality, not idealism Engineering governance instead of monitoring compliance When AI finds what humans miss The measurement problem Huge thanks to our sponsor, ThreatLocker Human error remains one of the top cybersecurity threats. Just one wrong click can open the door to ransomware or data loss. With ThreatLocker, unauthorized apps, scripts, and devices are blocked before they can ever run. See how ThreatLocker can help you gain more control over your environment. https://threatlocker.com
All links and images can be found on CISO Series. This week's episode is hosted by David Spark, producer of CISO Series and Jerich Beason, CISO, WM. Joining them on stage is Jack Leidecker, CISO, Gong. This episode was recorded live at HOU SEC CON 2025. In this episode: The open source sustainability problem AI levels the geopolitical playing field Cutting through AI vendor hype Why the fundamentals still hurt Thanks to Erik Bloch from Illumio for providing our "What's Worse" scenario. Huge thanks to our sponsor, Vorlon Security SaaS data moves fast—Vorlon gives security teams the context to move faster. Vorlon combines posture and secrets management, data flow visibility, and detection and response —
so you can see the full picture: what's connected, what's at risk,
and what needs immediate action. Learn more at https://vorlon.io/
All links and images can be found on CISO Series. This week's episode is hosted by David Spark, producer of CISO Series and Dan Walsh, CISO, Datavant. Joining them is our sponsored guest, Rob Allen, chief product officer, ThreatLocker. In this episode: When EDR gets knocked out Red flags in vendor theater Configuration chaos The sticker problem Huge thanks to our sponsor, ThreatLocker ThreatLocker® Defense Against Configurations continuously scans endpoints to uncover misconfigurations, weak firewall rules, and risky settings that weaken defenses. With compliance mapping, daily updates, and actionable remediation in one dashboard, it streamlines hardening, reduces attack surfaces, and strengthens security. Learn more at threatlocker.com.
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 our sponsored guest, Khush Kashyap, senior director, GRC, Vanta. In this episode: Skip the Sermon When to coach versus command Making risk quantification useful Recognizing a distinct discipline   Huge thanks to our sponsor, Vanta Vanta automates key areas of your GRC program—including compliance, risk, and customer trust—and streamlines the way you manage information. A recent IDC analysis found that compliance teams using Vanta are 129% more productive. Get back time to focus on strengthening security and scaling your business at https://www.vanta.com/landing/demo-grc?utm_campaign=new-way-grc&utm_source=ciso-series-podcast&utm_medium=podcast&utm_content=banner  
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 (@csoandy), principal of Duha. Joining them is Daniel Liber, CISO, Monday.com. In this episode: AI security's blind spot problem Vendors don't understand the assignment Marketing budgets overshadow actual innovation Accuracy versus effectiveness Huge thanks to our sponsor, Material Security Built specifically for Google Workspace, Material is a detection and response platform that protects Gmail, Google Drive, and accounts by proactively eliminating security gaps, stopping misconfigurations, and preventing shadow IT before they turn into costly problems. See Material in action today - https://material.security/providers/google-workspace?utm_source=third-party&utm_medium=website&utm_campaign=20251007-cisoseries
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 them is Pavi Ramamurthy, global CISO and CIO, Blackhawk Network. In this episode: We can't promise safe, but we can promise ready Are we accidentally building security nightmares? Being held accountable for things you had no say in The safe space problem in vendor evaluation Huge thanks to our sponsor, Adaptive Security Sponsored by Adaptive Security — the first cybersecurity company backed by OpenAI. Adaptive helps security leaders defend against AI-powered social engineering threats like deepfakes, vishing, and GenAI phishing with advanced phishing simulations and next-generation security awareness training. Adaptive's new AI Content Creator enables teams to instantly convert threat intelligence and compliance updates into interactive, multilingual training — no instructional design required. Trusted by Fortune 500s and backed by Andreessen Horowitz and the OpenAI. Learn more at http://www.adaptivesecurity.com
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