Defense in Depth Podcast By David Spark Steve Zalewski Geoff Belknap cover art

Defense in Depth

Defense in Depth

By: David Spark Steve Zalewski Geoff Belknap
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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.2018-2024 Spark Media Solutions, LLC Politics & Government
Episodes
  • Why Salespeople's Knowledge of Cybersecurity Is Critical for the Ecosystem
    Jul 24 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, 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

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    29 mins
  • What Are the Cybersecurity Trends We Need To Follow?
    Jul 17 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, 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

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    24 mins
  • Is It Even Possible to Fast-Track Your Way Into Cybersecurity?
    Jul 10 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, 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.
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    27 mins
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