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
  • Improving the Efficiency of Your Threat Intelligence
    Jun 5 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 (@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.

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    27 mins
  • Why Cybersecurity Professionals Lie on Their Resumes
    May 29 2025

    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.

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    32 mins
  • What Should Be in a CISO Job Description?
    May 22 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 (@dspark), the producer of CISO Series, and Geoff Belknap (@geoffbelknap). Joining us is Dennis Pickett, vp, CISO, Westat.

    In this episode:

    • Stop siloing cybersecurity
    • Leading the charge
    • A culture of ownership
    • Preparing for resilience

    A 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.

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    30 mins
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