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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Odcinki
Humans Are Bottleneck in a Machine-Speed World 09.07.2026 35:36
All links and images can be found on CISO Series We're evolving fast to secure AI. But are we evolving fast enough to secure WITH AI? Check out this post by Rinki Sethi, CSO, Upwind 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 Howard Holton , former CEO, GigaOm. Joining is Adam Glick ,...
Even With All These Security Vendors We Still Have Glaring Gaps 02.07.2026 33:56
All links and images can be found on CISO Series There are thousands of cybersecurity vendors across categories. If there's a gap in the market, it's likely not for technical reasons. So, how do you actually find vendors that are a good fit rather than one that just meets technical requirements? Check out this post by Joe Head of REFLEX Solutions for the discussion that is the basis of our convers...
Is the "Attackers Only Need to Be Right Once" a Misnomer? 25.06.2026 27:40
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 George Finney, CISO, University of Texas System. Joining is Sean Walls , CISO, Bob's Discount Furniture . In this episode: Asymmetric accounting Sometimes it really is that easy The spi...
What It Takes To Be Successful in Cyber Media 18.06.2026 55:27
What It Takes To Be Successful in Cyber Media 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 Dave Bittner , producer and host, The CyberWire . Joining is Graham Cluley , host of Smashing Security podcast and Leo Laporte , founder of...
CISOs Buy For Selfish and Politically Risk-Averse Reasons (Not Because Your Product is the Best) 11.06.2026 31:21
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 Howard Holton , CEO, GigaOm . Joining is Tyler King , senior director - threat operations and response, Sinclair . In this episode: Career insurance In the trenches together Who are you...
Has Cybersecurity Become a Cult? 04.06.2026 33:57
All links and images can be found on CISO Series We think of cybersecurity as a discipline. But when do ideas like best practices and NIST frameworks change into a system of belief? 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 Davi Ottenheimer, principal, Flying Penguin . Joining is...
What Does the Next Generation of Cloud Security Look Like? 28.05.2026 33:22
All links and images can be found on CISO Series We know human-paced security controls can't be applied to autonomous AI agents. So what needs to change with CNAPP and cloud security? 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 our sponsored guest, Dan...
The Dangers of Picking the Wrong Vendor 21.05.2026 26:46
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 David Spark , the producer of CISO Series , and Steve Zalewski . Joining us is our guest, Paul Guerra. In this episode: Read the contract How vendors win before the evaluation ends The fallout The real cost A huge thanks to our sponsor...
Why Cyber Startups Need CISO Advisors 14.05.2026 26:40
All links and images can be found on CISO Series All security startups will tell you they talk to potential customers. The problem is that you limit your development when you only talk to CISOs who might buy. It's not the same guidance you'll get from a CISO who advises. Check out this post by Val Tsanev of the Cyber Risk Alliance for the discussion that is the basis of our conversation. This wee...
Breaking the Reactive Cycle of Cybersecurity 07.05.2026 31:52
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 Steve Zalewski . Joining us is our sponsored guest, Rob Allen. In this episode: The vulnerable stack Changing the structural economics Change the terrain The cost-benefit equation A huge...
How Do You Know If Your Backups Will Survive a Ransomware Attack? 30.04.2026 38:25
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 Steve Zalewski . Joining us is our sponsored guest, Heath Renfrow , co-founder, Fenix24 . In this episode: Knowing which systems to save first Recovery is a business conversation, not an IT...
What Makes a Successful Security Vendor Demo? 23.04.2026 26:53
What Makes a Successful Security Vendor Demo? All links and images can be found on CISO Series . Check out this post from Adam Palmer 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 is Ken Beasley , BISO, Kaiser Permanente . In this episode: Show me the problem, not the product Walk...
Should You Use Native or 3rd Party Cloud Management Tools? 16.04.2026 28:21
Should You Use Native or 3rd Party Cloud Management Tools? All links and images can be found on CISO Series . Check out this post from Steve Zalewski 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 us is their sponsored guest, Gal Ordo , co-found...
How Should We Measure the Performance of a CISO? 09.04.2026 29:05
How Should We Measure the Performance of a CISO? All links and images can be found on CISO Series . Check out this post from the cybersecurity subreddit 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 them is Jason Richards , vp, information...
How to Be Less Busy and More Effective in Cyber 02.04.2026 26:28
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 David Spark , the producer of CISO Series , and Ross Young , co-host, CISO Tradecraft . Joining them is Dan Walsh , CISO, Datavant . Be sure to check out Ross's book Cybersecurity's Dirty Secret: Why Most Budgets Go to Waste. In this ep...
How to Engage With a CISO When They Express Interest 26.03.2026 31:33
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 Adam Palmer , CISO, First Hawaiian Bank . Be sure to check out David's book, Three Feet from Seven Figures: One-on-One Engagement Techniques to Qualify Mo...
Who is Responsible for the Conflict Between Security and Developers? 19.03.2026 33:20
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 David Spark , the producer of CISO Series , and Steve Zalewski . Joining is their sponsored guest, Matt Brown , solutions architect, Endor Labs . In this episode: The development disconnect Functionality first, security second The inc...
Are Your Security Tools Creating More Work for Your Team? 12.03.2026 35:45
All links and images can be found on CISO Series . Check out this post by Caleb Sima 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 Evan McHenry , CISO, Robinhood . In this episode: The information paradox Setting realistic expectation...
Why Overpromising is a Dangerous Sales Tactic 05.03.2026 28:31
All links and images can be found on CISO Series . Check out this post , CISO, Upwind 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 Geoff Belknap , CISO, LinkedIn . Joining us is Octavia Howell , vp and CISO, Equifax Canada . In this episode: Beyond the quota The hard truth beats the polish...
Should You Phish Your Employees or Not? 26.02.2026 27:25
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: Breaking trust to test it Technical controls over testing The measurement imperative Fire drills, not gotchas Huge thanks to our sponsor, Scanner Al...
How Much Autonomy Should You Give AI Agents in Your SOC? 19.02.2026 31:19
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: Earning autonomy gradually The blast radius question The reality check Today's value, tomorrow's evolution Huge thanks to our sponsor, Scanne...
Cybersecurity's Broken Hiring Process 12.02.2026 32:45
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: The experience paradox Who benefits from th...
Simple Security Solutions That Deliver a Big Impact 05.02.2026 33:28
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 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: Getting permissions right The...
When Cybersecurity Marketing Fails to Reach the Buyer 29.01.2026 30:42
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: The 3Ms of product clarity Buzzwords work because buyers are...
How Best to Prepare Your Data for Your Tools 22.01.2026 27:21
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: The integrity challenge Zero trust for AI outputs Guardrails ov...
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