CISO Series
Defense in Depth
Defense in Depth, hosted by David Spark, Steve Zalewski, Geoff Belknap, and Edward Contreras, promises clear talk on cybersecurity's most controversial and confusing debates. Once a week we choose one controversial and popular cybersecurity debate and use the InfoSec community's insights to lead our discussion.
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Don't Try to Win with Technical Expertise. Win by Partnering. 15.01.2026 28:45
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: From loudest to most trusted Letting go of the win Listening over proving Be...
What Makes a Successful CISO? 08.01.2026 25:28
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: Consequence, not controls The credibility gap Defining the un...
How Should CISOs Talk to the Business 18.12.2025 29:38
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 governa...
How Much Cyber Risk Should a CISO Own? 11.12.2025 32:45
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: Delegation requires accountability The reality of daily decision-makin...
How To Tell When a Vendor is Selling AI Snake Oil 04.12.2025 33:51
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: Understanding the fundamentals The grift...
In the Age of Identity, is Network Security Dead? 20.11.2025 34:21
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: Netw...
How to Manage Configuration Drift 13.11.2025 28:47
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: When configuration drift bec...
Is Least Privilege Dead? 06.11.2025 29:04
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: Is least pri...
How Do We Measure Our Defenses Against Social Engineering Attacks? 30.10.2025 32:55
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: Beyond the click High-risk users demand dif...
Sales Follow Up Sequences: What Works Best in Cyber? 23.10.2025 28:26
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: Timing the approach When persistence becomes harassment Playing the long game...
What Soft Skills Do You Need in Cyber? 16.10.2025 24:42
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 ch...
What is the Visibility That Security Teams Need? 09.10.2025 27:52
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: Turning visibility into actionable intelligence P...
Data Governance in the Age of AI 02.10.2025 26:01
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: The access creep challenge Bridging intent and execution Looki...
How Can Security Vendors Better Stand Out? 25.09.2025 37:33
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: ROI challenges Venture capital saturati...
What New Risks Does AI Introduce? 18.09.2025 30:46
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: Shadow AI as a control problem Rethinking identity for autonomous agents When process...
The Pattern of Early Adoption of Security Tools 11.09.2025 29:28
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: Security poverty line excludes SMBs Skills g...
How Are You Managing the Flow of AI Data 04.09.2025 31:25
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: Access management faces transformation AI agents demand new authentication para...
How to Deal with Last Minute Compliance Requirements 28.08.2025 31:40
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 episo...
Do You Have a Functional Policy or Did You Just Write One? 21.08.2025 32:20
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: Maps w...
Where are We Struggling with Zero Trust 14.08.2025 33:54
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: Legacy infrastructure creates the biggest hurdles More mark...
Cybersecurity Has a Prioritization Problem 07.08.2025 31:26
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: Beyond prioritization: aligning risk with reality From signals to strategy The Case f...
How Can AI Provide Useful Guidance from Fragmented Security Data? 31.07.2025 29:42
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: Quality over quantity in AI decision-making Process before technology The connectivit...
Why Salespeople's Knowledge of Cybersecurity Is Critical for the Ecosystem 24.07.2025 28:40
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: The trust deficit Defendi...
What Are the Cybersecurity Trends We Need To Follow? 17.07.2025 24:23
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: Shifting left, broadening out The insurance w...
Is It Even Possible to Fast-Track Your Way Into Cybersecurity? 10.07.2025 27:03
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: The experience prerequisite The bootcamp reality check The compensati...
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