Defense in Depth

Defense in Depth

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.

Episodes

June 18, 2026 55 mins

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 ...

Listen
Watch
Mark as Played

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 operation...

Listen
Watch
Mark as Played
June 4, 2026 33 mins

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 ...

Listen
Watch
Mark as Played

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?

Chec...

Listen
Watch
Mark as Played

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.

Listen
Watch
Mark as Played

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 adv...

Listen
Watch
Mark as Played

All links and images can be found on CISO Series.

Check out this post

Listen
Watch
Mark as Played

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 Renfr...

Listen
Watch
Mark as Played

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 conversati...

Listen
Watch
Mark as Played

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 o...

Listen
Watch
Mark as Played

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 basi...

Listen
Watch
Mark as Played

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 Wa...

Listen
Watch
Mark as Played

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 Ha...

Listen
Watch
Mark as Played

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 ...

Listen
Watch
Mark as Played

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, Fro...

Listen
Watch
Mark as Played

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. J...

Listen
Watch
Mark as Played
February 26, 2026 27 mins

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.

Read more

Listen
Watch
Mark as Played

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.

Read more

Listen
Watch
Mark as Played
February 12, 2026 32 mins

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 the narrative
  • Kitchen sink job posti...
Listen
Watch
Mark as Played

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 fundamentals that still fail
  • Know ...
Listen
Watch
Mark as Played

Popular Podcasts

    Hey Jonas! The official Jonas Brothers podcast. Hosted by Kevin, Joe, and Nick Jonas. It’s the Jonas Brothers you know... musicians, actors, and well, yes, brothers. Now, they’re sharing another side of themselves in the playful, intimate, and irreverent way only they can. Spend time with the Jonas Brothers here and stay a little bit longer for deep conversations like never before.

    Dateline NBC

    Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

    Stuff You Should Know

    If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

    The MeatEater Podcast

    Building on the belief that a deeper understanding of the natural world enriches all of our lives, host Steven Rinella brings an in-depth and relevant look at all outdoor topics including hunting, fishing, nature, conservation, and wild foods. Filled with humor, irreverence, and things that will surprise the hell out of you, each episode welcomes a diverse group of guests who add their own expertise to the vast world of the outdoors. Part of The MeatEater Podcast Network.

    The Joe Rogan Experience

    The official podcast of comedian Joe Rogan.

Advertise With Us
Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.

  • Help
  • Privacy Policy
  • Terms of Use
  • AdChoicesAd Choices