Defense in Depth

All links and images can be found on CISO Series. This week's episode is co-hosted by me, David Spark, the producer of CISO Series, and Edward Contreras, senior evp and CISO, Frost Bank. Joining us is Mark Eggleston, CISO, CSC. In this episode: Huge thanks to our sponsor, Scanner All your security logs end up in cloud storage like AWS S3. Scanner makes them searchable in seconds and runs real-time detections directly on that data. No pipelines, no re-ingestion. 100x faster than traditional data lakes, 10x cheaper than SIEMs. Loved by analysts. Built for AI agents. Learn more at scanner.dev.

All links and images can be found on CISO Series. This week's episode is co-hosted by me, David Spark, the producer of CISO Series, and Steve Zalewski. Joining us is our sponsored guest, Cliff Crosland, co-founder and CEO, Scanner.dev. In this episode: Huge thanks to our sponsor, Scanner All your security logs end up in cloud storage like AWS S3. Scanner makes them searchable in seconds and runs real-time detections directly on that data. No pipelines, no re-ingestion. 100x faster than traditional data lakes, 10x cheaper than SIEMs. Loved by analysts. Built for AI agents. Learn more at scanner.dev.

All links and images can be found on CISO Series. Check out this post by Dr. Chase Cunningham, CSO at Demo-Force, 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 Brett Conlon, CISO, American Century Investments. In this episode: Huge thanks to our sponsor, Scanner All your security logs end up in cloud storage like AWS S3. Scanner makes them searchable in seconds and runs real-time detections directly on that data. No pipelines, no re-ingestion. 100x faster than traditional data lakes, 10x cheaper than SIEMs. Loved by analysts. Built for AI agents. Learn more at scanner.dev

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 Edward Contreras, senior evp and CISO, Frost Bank. Joining them is their sponsored guest, Rob Allen, chief product officer, ThreatLocker. In this episode: 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. Check out this post by Patrick Garrity of VulnCheck 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 Tom Doughty, CISO, Generate:Biomedicines. In this episode: Huge thanks to our sponsor, Alteryx Alteryx is a leading AI and data analytics company that powers actionable insights that help organizations drive smarter, faster decisions. Alteryx One helps security, risk, and operations leaders cut hours of manual work to minutes, generate trusted insights at scale, and turn raw data into action faster than ever. Learn more at www.alteryx.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 them is sponsored guest Matt Goodrich, director of information security, Alteryx. In this episode: Huge thanks to our sponsor, Alteryx Alteryx is a leading AI and data analytics company that powers actionable insights that help organizations drive smarter, faster decisions. Alteryx One helps security, risk, and operations leaders cut hours of manual work to minutes, generate trusted insights at scale, and turn raw data into action faster than ever. Learn more at www.alteryx.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 Jerich Beason, CISO, WM. Their guest is Pam Lindemoen, CSO and vp of strategy, RH-ISAC. In this episode: Huge thanks to our sponsor, Alteryx Alteryx is a leading AI and data analytics company that powers actionable insights that help organizations drive smarter, faster decisions. Alteryx One helps security, risk, and operations leaders cut hours of manual work to minutes, generate trusted insights at scale, and turn raw data into action faster than ever. Learn more at www.alteryx.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 Ejona Preci, group CISO, LINDAL Group. In this episode: A 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. Check out this post by Binoy Koonammavu of Secusy AI 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 best-selling cybersecurity author Peter Gregory. His upcoming study guide on AI governance can be pre-ordered here. In this episode: 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. Check out this post by Nick Nolen of Redpoint Cyber 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 Erika Dean, former CSO, Robinhood. In this episode: 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. Check out this post by Christofer Hoff of Truist 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 Caleb Sima, builder, WhiteRabbit. Joining them is Crystal Chatam, vp of cybersecurity, Speedcast. In this episode: Huge thanks to our sponsor, Stellar Cyber By shining a bright light on the darkest corners of security operations, Stellar Cyber empowers organizations to see incoming attacks, know how to fight them, and act decisively – protecting what matters most. Stellar Cyber's award-winning open security operations platform includes AI-driven SIEM, NDR, ITDR, Open XDR, and Multi-Layer AI™ under one unified platform with a single license. With ⅓ of the global top 250 MSSPs and over 14,000 customers worldwide, Stellar Cyber is one of the most trusted leaders in security operations. Learn more at https://stellarcyber.ai/.

All links and images can be found on CISO Series. Check out this post by Ross Haleliuk of Venture in Security 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 Davi Ottenheimer, vp, trust and digital ethics, Inrupt. 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 by Kevin Paige, CISO at ConductorOne, 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, Rob Allen, chief product officer, ThreatLocker. In this episode: 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 https://www.threatlocker.com/

All links and images can be found on CISO Series. Check out this post by Kevin Paige, CISO at ConductorOne, 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 Julie Tsai, CISO-in-Residence, Ballistic Ventures. 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://datasecai2025.com/did.

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 them is their sponsored guest Bobby Ford, chief strategy and experience officer, Doppel. In this episode: Huge thanks to our sponsor, Doppel Doppel is protecting the world's digital integrity. Impersonators adapt fast — but so does Doppel. By pairing AI with expert analysis, we don't just detect deception; we dismantle it. Our platform learns from every attack, expands its reach across digital channels, and disrupts threats before they cause harm. The result? Impersonators lose. Businesses become too costly to attack. And trust stays intact. Learn more at https://www.doppel.com/

All links and images can be found on CISO Series. Check out this post by Mike Gallardo 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 them is Alex Guilday, BISO, Royal Caribbean Group. 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://datasecai2025.com/did.

All links and images can be found on CISO Series. Check out this post by Evgeniy Kharam 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 Ryan Dunn, Leader of Product and Supply Chain Technology, Specialized Bicycle Components. And check out "Architecting Success: The Art of Soft Skills in Technical Sales: Connect to Sell More" by Evgeniy Kharam we referenced in this episode. In this episode: 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. https://www.hackerone.com/report/future-of-ai?utm_medium=Paid-Newsletter&utm_source=cisoseries&utm_campaign=Parent-FY25-AIAwarenessCampaign-GL

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 Bil Harmer, security advisor, Craft Ventures. Joining them is James Bruce, business security services director, WPP. In this episode: 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. 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 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