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.

Author

CISO Series

Category

Technology

Podcast website

cisoseries.com

Latest episode

Jul 9, 2026

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Episodes

What's the Most Efficient Way to Rate Third Party Vendors? 03.07.2025

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: Streamlining vendor evaluations  Moving beyond compliance theater The scorecard skept...

Don't Ask "Can" We Secure It, But "How" Can We Secure It 26.06.2025

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 Embracing growth An urgent need for creativity Get the busines...

Has the Shared Security Model for SaaS Shifted? 12.06.2025

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: Align the incentives The f...

Improving the Efficiency of Your Threat Intelligence 05.06.2025

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 We don't need more indicators Creating more work Generating actionab...

Why Cybersecurity Professionals Lie on Their Resumes 29.05.2025

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: Ve...

What Should Be in a CISO Job Description? 22.05.2025

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: Stop siloing cybersecurity Leading the charge A culture of owners...

The CISO's Job Is Impossible 15.05.2025

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: It's a balancing act Choose to leave the kids' table Your team is...

Can You Have a Secure Software Environment Without Traditional Vulnerability Management? 08.05.2025

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  Howard Holton , COO,  Gigaom . Joining us is our sponsored guest,  Rob Allen , chief product officer at  ThreatLocker . In this episode:  Reinforcing...

How Much Should Salespeople Know About Their Product? 01.05.2025

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 David Spark , the producer of CISO Series, and Steve Zalewski . Joining us is Jay Jay Davey , vp of cyber security operations, Planet .  In this episode: Aligning incentives The realities of the job Delivering ROI Holi...

Why Are We Still Struggling to Fix Application Security? 24.04.2025

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 , the producer of CISO Series, and Steve Zalewski . Joining us is our sponsored guest, Eric Gold , chief evangelist, BackSlash . In this episode: Start with the culture Moving AppSec to a higher level A...

What Can Someone with No Experience Do in Cybersecurity? 17.04.2025

All links and images for this episode can be found on  CISO Series . Check out this post from Jerich Beason , CISO at WM , 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 us is Rinki Sethi , vp and CISO, BILL . In this episode: You need a solid foundation A lot depen...

Are New Gartner-Created Categories/Acronyms Helping or Hurting the Cybersecurity Industry? 10.04.2025

All links and images for this episode can be found on  CISO Series . Check out this post from Caleb Sima of WhiteRabbit 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 Alex Hutton , CISO, Atlantic Union Bank . In this episode: The race to differentiate  Don't blame Gartner...

Can AI improve Third-Party Risk Management (TPRM) 03.04.2025

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 , the producer of CISO Series, and Jason Elrod , CISO, MultiCare Health System . Joining us is our sponsored guest, Nick Muy , CISO, Scrut Automation . In this episode: Supercharging teams Shifting to p...

Cybersecurity Is NOT an Entry-Level Position 27.03.2025

All links and images for this episode can be found on  CISO Series . Check out this post by Tallis Jordan of the U.S. Army Cyber Command 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 Montez Fitzpatrick , CISO, Navvis . In this episode: Start with foundations Learning to...

Hey Vendors, What Problem Is Your Product Solving? 20.03.2025

All links and images for this episode can be found on  CISO Series . Check out this post from Yaron Levi 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 Mike Johnson , CISO, Rivian . Joining us is Yaron Levi , CISO, Dolby . In this episode: A knowledge deficit Talk is cheap What's the difference? Answer...

We've Been Fooled. There Is No Talent Shortage. 13.03.2025

All links and images for this episode can be found on CISO Series . Check out this post by Rachel Bicknell of Dell Technologies quoting Mic Merritt of Merritt Collective 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 Jimmy Sanders , president, ISSA International . Joining them is Ngozi Eze , CISO, Levi...

Is There an Increasing Consolidation of Vendors in the SOC? 06.03.2025

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  Howard Holton , CTO,  GigaOm . Joining us is  Francis Odum , founder,  Software Analyst Cybersecurity Research . In this episode: Rebalancing the SOC...

Are CISOs Struggling to Get Respect? 27.02.2025

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 Lee Parrish , CISO, Newell Brands . Joining us is David Tyburski , vp of information security and CISO, Wynn Resorts . In this episode: CISOs need to stick...

Is Platformization Vs Best-of-Breed a False Dichotomy? 20.02.2025

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 Geoff Belknap ( @geoffbelknap ). Joining us is Elad Koren , vp, product management, Cortex Cloud, Palo Alto Networks . In this episode: Context drives the d...

Protecting Your Backups from Ransomware 13.02.2025

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 DJ Schleen , former distinguished security architect, Yahoo. Joining us is our sponsored guest Heath Renfrow , co-founder, Fenix24. In this episode: Get cre...

Can a Security Program Ever Reach Maintenance Mode? 06.02.2025

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 Geoff Belknap ( @geoffbelknap ). Joining us is Andrew Wilder , CISO, Vetcor . In this episode: It comes down to growth Maintenance mode is anything but simp...

The Hardest Problems in Security Aren't "Security Problems" 29.01.2025

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 Geoff Belknap ( @geoffbelknap ). Joining us Sneha Parmar , information security officer, Lufthansa Group Digital Hangar . In this episode: Build the foundat...

If and When Should a CISO Have a Long Term Security Plan? 23.01.2025

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 Mike Johnson , CISO, Rivian . Joining us is Gaurav Kapil , CISO, Bread Financial . In this episode: It helps to have a vision The benefit of planning It's n...

Do We Want CISOs Dictating How Salespeople Should Engage? 16.01.2025

All links and images for this episode can be found on CISO Series . Check out this post by Marc Ashworth , CISO at First Bank 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 Shawn Bowen , vp, deputy CISO - Gaming, Microsoft . Joining us is Ken Athanasiou , CISO, VF Corporation . In this epis...

Is AI Benefiting Attackers or Defenders? 09.01.2025

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 Geoff Belknap ( @geoffbelknap ). Joining us is our sponsored guest, Rob Allen , chief product officer, ThreatLocker . In this episode: The promise and peril...

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