Defense in Depth
by CISO Series
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.
Episodes
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Is Our Dated Hiring Process Creating Vulnerabilities?
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 Brett Conlon, CISO, American Century Investments. Joining us is Carla Sweeney, SVP of...
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How the SDLC Evolves Once You Deploy LLM-Based Code Scanners
All links and images can be found on CISO Series Check out this post for the discussion that is the basis of our conversation for this week's episode co-hosted by David Spark, the producer of CISO Series, and Mike Johnson, CISO, Rivian. Joining them is Heather Hinton, CISO, Sitecore, and lecturer...
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How Do You Demonstrate Resilience?
All links and images can be found on CISO Series Check out this post for the discussion that is the basis of our conversation for 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…
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How Should Security Be Architected for Human Error?
All links and images can be found on CISO Series We've all internalized that humans are the weak link in cybersecurity. Why do we not account for that when we're building our cybersecurity programs? Check out this post for the discussion that is the basis of our conversation on this week's…
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Can SMBs Get the Same Security as Everyone Else?
All links and images can be found on CISO Series Check out this post for the discussion that is the basis of our conversation for this week's episode co-hosted by me, David Spark, the producer of CISO Series, and Steve Zalewski. Joining us is their sponsored guest, Mark Stockley, cybersecurity...
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Why Do We Keep Complaining About the Same Issues in Cybersecurity?
All links and images can be found on CISO Series LinkedIn used to have a decent reputation among cybersecurity professionals. But lately, it feels like our feeds are relitigating the same debates every day, just with different faces. Has the situation changed? Check out this post by Allan Alford…
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Securing AI-Generated Open Source Code
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, Abby Kearns, CEO, ActiveState. In...
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BONUS EPISODE: Super Cyber Friday Express - Hacking Vendor Selection
All links and images can be found on CISO Series This is a bonus episode of our brand new podcast, Super Cyber Friday Express — a 20-minute highlight version of our live one-hour show we do every available Friday at 1 p.m. Eastern. In this episode, David Spark is joined by Karl Mattson, founder…
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How AppSec Needs to Change For the Speed of AI
All links and images can be found on CISO Series Check out this post by Anand Singh, CSO, Symmetry Systems, 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 Ryan Barrett…
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Building Resilience for Microsoft 365
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 Brett Conlon, CISO, American Century Investments. Joining us is our sponsored guest,...
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Recommendations to Reboot the Security Vendor Pitch
All links and images can be found on CISO Series Check out this post by Val Tsanev of CyberRisk Alliance, 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....
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Market Confusion Is Responsible for the Biggest Gaps in Cybersecurity
All links and images can be found on CISO Series Check out this post from Joe Head of RELEX Solutions 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.…
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Will AI Replace Detection Roles in Cybersecurity?
All links and images 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 David Spark, the producer of CISO Series, and Yaron Levi, CISO, Dolby. Joining is Adrian Ludwig, CSO,...
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What Makes a Good AI Security Deployment?
What Makes a Good AI Security Deployment? All links and images can be found on CISO Series Check out this post by Chris Matthews of UpGuard 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...
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The Office Politics of Remediation
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 is our sponsored guest, Elizabeth Nammour, founder and...
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Why is Preventative Security So Difficult?
All links and images can be found on CISO Series Prevention in cybersecurity is a lot like flossing: everyone knows they should do it, but few do it enough. What's stopping us? Check out this post by Ross Haleliuk of Venture in Security for the discussion that is the basis of our conversation on...
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Identity and Access Management (IAM) in an Agentic AI World
All links and images can be found on CISO Series Check out this post by Tomás Maldonado, CISO, NFL, 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 Yaron Levi, CISO, Dolby. Joining is Will Gregorian, vp...
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Protecting AI Agents in O365 and Google Workspace
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, Rajan Kapoor, vp, security, Material...
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Humans Are Bottleneck in a Machine-Speed World
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...
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Even With All These Security Vendors We Still Have Glaring Gaps
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?...
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Is the "Attackers Only Need to Be Right Once" a Misnomer?
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...
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What It Takes To Be Successful in Cyber Media
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...
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CISOs Buy For Selfish and Politically Risk-Averse Reasons (Not Because Your Product is the Best)
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…
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Has Cybersecurity Become a Cult?
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...
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What Does the Next Generation of Cloud Security Look Like?
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...
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The Dangers of Picking the Wrong Vendor
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...
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Why Cyber Startups Need CISO Advisors
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…
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Breaking the Reactive Cycle of Cybersecurity
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...
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How Do You Know If Your Backups Will Survive a Ransomware Attack?
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...
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What Makes a Successful Security Vendor Demo?
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...
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Should You Use Native or 3rd Party Cloud Management Tools?
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...
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How Should We Measure the Performance of a CISO?
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...
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How to Be Less Busy and More Effective in Cyber
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...
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How to Engage With a CISO When They Express Interest
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…
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Who is Responsible for the Conflict Between Security and Developers?
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…
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Are Your Security Tools Creating More Work for Your Team?
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...
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Why Overpromising is a Dangerous Sales Tactic
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,...
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Should You Phish Your Employees or Not?
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...
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How Much Autonomy Should You Give AI Agents in Your SOC?
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...
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Cybersecurity's Broken Hiring Process
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…
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Simple Security Solutions That Deliver a Big Impact
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…
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When Cybersecurity Marketing Fails to Reach the Buyer
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,...
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How Best to Prepare Your Data for Your Tools
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...
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Don't Try to Win with Technical Expertise. Win by Partnering.
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,...
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What Makes a Successful 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 Edward Contreras, senior evp and CISO, Frost Bank. Joining us is Ejona Preci, group...
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How Should CISOs Talk to the Business
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....
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How Much Cyber Risk Should a CISO Own?
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,...
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How To Tell When a Vendor is Selling AI Snake Oil
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...
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In the Age of Identity, is Network Security Dead?
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...
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How to Manage Configuration Drift
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,...
About this show
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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CISO Series
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