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Lyt når som helst, hvor som helst 

David Spark

Geoff Belknap

Steve Zalewski

Defense in Depth 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.

Defense in Depth

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 for Maturity Models
 • Security Starts With Culture
 
Huge thanks to our sponsor, SecurityPal
 
 
 
SecurityPal is the leader in Customer Assurance, helping companies accelerate security assurance without compromising accuracy. Their AI + human expertise approach, dynamic Trust Center, and modern TPRM solution eliminate manual work and streamline vendor security at scale. To learn more, visit securitypal.ai.

Cybersecurity Has a Prioritization Problem

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 connectivity challenge
 • The context complexity paradox
 
Huge thanks to our sponsor, Query
 
 
 
Query is a Federated Search and Analytics platform that builds a security data mesh, giving
 security teams real-time context from all connected sources. Analysts move faster and make
 better decisions with AI agents and copilots that handle the grunt work and guide each step.
 Learn more at query.ai

How Can AI Provide Useful Guidance from Fragmented Security Data?

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
 • Defending the non-technical roles
 • The business accountability gap
 • The communication imperative
 
Huge thanks to our sponsor, Query.ai
 

 
 Query is a Federated Search and Analytics platform that builds a security data mesh, giving security teams real-time context from all connected sources. Analysts move faster and make better decisions with AI agents and copilots that handle the grunt work and guide each step. Learn more at query.ai

Why Salespeople's Knowledge of Cybersecurity Is Critical for the Ecosystem

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 wake-up call
 • Building trust into the system
 • Security’s identity crisis
 
A 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

What Are the Cybersecurity Trends We Need To Follow?

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 compensation conundrum
 • The domain expertise imperative
 
A huge thanks to our sponsor, ThreatLocker
 

 ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit ThreatLocker.com.

Is It Even Possible to Fast-Track Your Way Into Cybersecurity?

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 skeptics
 • Finding the right balance
 
Thanks to our sponsor, Formal
 

 
Formal secures humans, AI agent’s access to MCP servers, infrastructure, and data stores by monitoring and controlling data flows in real time. Using a protocol-aware reverse proxy, Formal enforces least-privilege access to sensitive data and APIs, ensuring AI behavior stays predictable and secure. Visit joinformal.com to learn more or schedule a demo.

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

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 business context
 • Embrace your inner theater kid
 
Huge thanks to our sponsor, Query.ai
 
 
 
Query is a Federated Search and Analytics platform that builds a security data mesh, giving
 security teams real-time context from all connected sources. Analysts move faster and make
 better decisions with AI agents and copilots that handle the grunt work and guide each step.
 Learn more at query.ai

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

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 feature and enforcement disconnect
 • Putting the right people in the right place
 • A need for transparency
 
 
 Huge thanks to our sponsor, ThreatLocker
 
 
 
ThreatLocker® is a global leader in Zero Trust endpoint security, offering cybersecurity controls to protect businesses from zero-day attacks and ransomware. ThreatLocker operates with a default deny approach to reduce the attack surface and mitigate potential cyber vulnerabilities. To learn more and start your free trial, visit ThreatLocker.com.

Has the Shared Security Model for SaaS Shifted?

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 actionable intelligence
 • Design for what you can do
 
Huge thanks to our sponsor, Recorded Future
 
 
 
Every day, security teams face an impossible challenge: sorting through millions of threats, each potentially critical. But somewhere in that noise are the signals you can't afford to miss. Recorded Future's gives you the power to outpace AI-driven threats through intelligence tuned specifically to your needs, enabling you to act with precision. Their advanced AI detects patterns human eyes might miss, while their experts provide context that machines alone cannot. Visit recordedfuture.com to learn more about securing what matters to your business.

Improving the Efficiency of Your Threat Intelligence

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:
 
 • Verify then trust
 • Dishonesty on all sides
 • A lack of flexibility
 • What about integrity?
 
Huge thanks to our sponsor, Formal
 

 
Formal secures humans, AI agent’s access to MCP servers, infrastructure, and data stores by monitoring and controlling data flows in real time. Using a protocol-aware reverse proxy, Formal enforces least-privilege access to sensitive data and APIs, ensuring AI behavior stays predictable and secure. Visit joinformal.com to learn more or schedule a demo.

Why Cybersecurity Professionals Lie on Their Resumes

Just a quick welcome message to this weekly show covering controversial and confusing topics in cybersecurity.

Welcome to Defense in Depth

Lyt når som helst, hvor som helst

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