Defense in Depth

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by David Spark, the producer of CISO Series, and Dan Walsh, CISO, Datavant. Joining them is their sponsored guest, Ash Hunt, vp, strategy, EMEA, Cyera. In this episode: Huge thanks to our sponsor, Cyera AI is moving fast - can your security keep up? Join the leaders shaping the future of data and AI security at DataSecAI Conference 2025, hosted by Cyera, Nov 12–13 in Dallas. Register now at https://www.cyera.com/?utm_source=cisoseries

All links and images can be found on CISO Series. Check out this post by David Mundy of Tuskira for the discussion that is the basis of our conversation on this week’s episode co-hosted by David Spark, the producer of CISO Series, and Edward Contreras, senior evp and CISO, Frost Bank. Joining them is Jason Taule, CISO, Luminis Health. In this episode: Huge thanks to our sponsor, Doppel Doppel is the first social engineering defense platform built to dismantle deception at the source. It uses AI and infrastructure correlation to detect, link, and disrupt impersonation campaigns before they spread - protecting brands, executives, and employees while turning every threat into action that strengthens defenses across a shared intelligence network. Learn more at https://www.doppel.com/platform

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Geoff Belknap. Joining us is our sponsored guest, Kara Sprague, CEO, HackerOne. In this episode: Huge thanks to our sponsor, HackerOne Discover how AI innovators like Adobe, Anthropic, and Snap are using AI to find and fix vulnerabilities across the software development lifecycle. HackerOne, the global leader in offensive security solutions, reveals all in the CISOs’ guide to securing the future of AI. Download it now to see how AI can strengthen your security posture. Learn more at https://www.hackerone.com/

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Edward Contreras, senior evp and CISO, Frost Bank. Joining us is CISO Series reporter and CISO herself, Hadas Cassorla. In this episode: Huge thanks to our sponsor, ThreatLocker ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit ThreatLocker.com.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by David Spark, the producer of CISO Series, and Geoff Belknap. Joining us is our sponsored guest Mokhtar Bacha, founder and CEO, Formal. In this episode: Huge thanks to our sponsor, Formal Formal secures humans, AI agent’s access to MCP servers, infrastructure, and data stores by monitoring and controlling data flows in real time. Using a protocol-aware reverse proxy, Formal enforces least-privilege access to sensitive data and APIs, ensuring AI behavior stays predictable and secure. Visit joinformal.com to learn more or schedule a demo.

All links and images can be found on CISO Series. Check out this post by Geoff Belknap, co-host of Defense in Depth, for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and John Overbaugh, CISO, Alpine Investors. Joining us is our sponsored guest, Pukar Hamal, founder and CEO at SecurityPal. In this episode: Huge thanks to our sponsor, SecurityPal AI SecurityPal is the leader in Customer Assurance, helping companies accelerate security assurance without compromising accuracy. Their AI + human expertise approach, dynamic Trust Center, and modern TPRM solution eliminate manual work and streamline vendor security at scale. To learn more, visit securitypal.ai.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Edward Contreras, senior evp and CISO, Frost Bank. Joining us is Justin Berman, formerly vp of platform engineering and CISO at Thirty Madison Health. In this episode: Huge thanks to our sponsor, SecurityPal SecurityPal is the leader in Customer Assurance, helping companies accelerate security assurance without compromising accuracy. Their AI + human expertise approach, dynamic Trust Center, and modern TPRM solution eliminate manual work and streamline vendor security at scale. To learn more, visit securitypal.ai.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Steve Zalewski. Joining us is our sponsored guest, Rob Allen, chief product officer, ThreatLocker. In this episode: Huge thanks to our sponsor, ThreatLocker ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit Threatlocker.com/CISO

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Steve Zalewski. Joining them is Terry O'Daniel, former CISO at Amplitude. In this episode: Huge thanks to our sponsor, SecurityPal SecurityPal is the leader in Customer Assurance, helping companies accelerate security assurance without compromising accuracy. Their AI + human expertise approach, dynamic Trust Center, and modern TPRM solution eliminate manual work and streamline vendor security at scale. To learn more, visit securitypal.ai.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by David Spark, the producer of CISO Series, and Steve Zalewski. Joining them is their sponsored guest, Matt Eberhart, CEO, Query. In this episode: Huge thanks to our sponsor, Query Query is a Federated Search and Analytics platform that builds a security data mesh, giving security teams real-time context from all connected sources. Analysts move faster and make better decisions with AI agents and copilots that handle the grunt work and guide each step. Learn more at query.ai

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Steve Zalewski. Joining us is Jason Thomas, senior director, technology security, governance, and risk, Cystic Fibrosis Foundation. In this episode: Huge thanks to our sponsor, Query.ai Query is a Federated Search and Analytics platform that builds a security data mesh, giving security teams real-time context from all connected sources. Analysts move faster and make better decisions with AI agents and copilots that handle the grunt work and guide each step. Learn more at query.ai

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode, co-hosted by me, David Spark, the producer of CISO Series, and Dan Walsh, CISO, Datavant. Joining them is Sneha Parmar, former information security officer, Lufthansa Group Digital. In this episode: A huge thanks to our sponsor, Doppel Doppel is the first social engineering defense platform built to dismantle deception at the source. It uses AI and infrastructure correlation to detect, link, and disrupt impersonation campaigns before they spread - protecting brands, executives, and employees while turning every threat into action that strengthens defenses across a shared intelligence network. Learn more at https://www.doppel.com/platform

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Edward Contreras, senior evp and CISO, Frost Bank. Joining us is David Cross, CISO, Atlassian. In this episode: A huge thanks to our sponsor, ThreatLocker ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit ThreatLocker.com.

All posts and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Geoff Belknap. Joining us is Steve Knight, former CISO, Hyundai Capital America. In this episode: Thanks to our sponsor, Formal Formal secures humans, AI agent’s access to MCP servers, infrastructure, and data stores by monitoring and controlling data flows in real time. Using a protocol-aware reverse proxy, Formal enforces least-privilege access to sensitive data and APIs, ensuring AI behavior stays predictable and secure. Visit joinformal.com to learn more or schedule a demo.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by David Spark, the producer of CISO Series, and Mike Johnson, CISO, Rivian. Joining is Hanan Szwarcbord, vp, CSO and head of infrastructure, Micron Technology. In this episode Huge thanks to our sponsor, Query.ai Query is a Federated Search and Analytics platform that builds a security data mesh, giving security teams real-time context from all connected sources. Analysts move faster and make better decisions with AI agents and copilots that handle the grunt work and guide each step. Learn more at query.ai

All links and images can be found on CISO Series. Check out this post by Justin Pagano at Klaviyo for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark, the producer of CISO Series, and Geoff Belknap. Joining us is Jesse Webb, CISO and svp information systems, Avalon Healthcare Solutions. In this episode: Huge thanks to our sponsor, ThreatLocker ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit ThreatLocker.com.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark (@dspark), the producer of CISO Series, and Steve Zalewski. Joining us is our sponsored guest Jason Steer, CISO, Recorded Future. In this episode Huge thanks to our sponsor, Recorded Future Every day, security teams face an impossible challenge: sorting through millions of threats, each potentially critical. But somewhere in that noise are the signals you can't afford to miss. Recorded Future's gives you the power to outpace AI-driven threats through intelligence tuned specifically to your needs, enabling you to act with precision. Their advanced AI detects patterns human eyes might miss, while their experts provide context that machines alone cannot. Visit recordedfuture.com to learn more about securing what matters to your business.

All images and links can be found on CISO Series. Check out this post by Gautam ‘Gotham’ Sharma of AccessCyber for the discussion that is the basis of our conversation on this week’s episode, co-hosted by me, David Spark (@dspark), the producer of CISO Series, and Steve Zalewski. Joining us is Krista Arndt, associate CISO, St. Luke’s University Health Network. In this episode: Huge thanks to our sponsor, Formal Formal secures humans, AI agent’s access to MCP servers, infrastructure, and data stores by monitoring and controlling data flows in real time. Using a protocol-aware reverse proxy, Formal enforces least-privilege access to sensitive data and APIs, ensuring AI behavior stays predictable and secure. Visit joinformal.com to learn more or schedule a demo.

All links and images can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark (@dspark), the producer of CISO Series, and Geoff Belknap (@geoffbelknap). Joining us is Dennis Pickett, vp, CISO, Westat. In this episode: A huge thanks to our sponsor, Recorded Future Every day, security teams face an impossible challenge: sorting through millions of threats, each potentially critical. But somewhere in that noise are the signals you can’t afford to miss. Recorded Future’s gives you the power to outpace AI-driven threats through intelligence tuned specifically to your needs, enabling you to act with precision. Their advanced AI detects patterns human eyes might miss, while their experts provide context that machines alone cannot. Visit recordedfuture.com to learn more about securing what matters to your business.

All links and images for this episode can be found on CISO Series. Check out this post for the discussion that is the basis of our conversation on this week’s episode co-hosted by me, David Spark (@dspark), the producer of CISO Series, and Yaron Levi, CISO, Dolby. Joining us is Joey Rachid, CISO, Xerox. In this episode: Huge thanks to our sponsor, Blackslash Backslash offers a new approach to application security by creating a digital twin of your application, modeled into an AI-enabled App Graph. It categorizes security findings by business process, filters “triggerable” vulnerabilities, and simulates the security impact of updates. Backslash dramatically improves AppSec efficiency, eliminating legacy SAST and SCA frustration. Learn more at https://www.backslash.security/