CISO Series Podcast

All links and images can be found on CISO Series.
This week's episode is hosted by David Spark, producer of CISO Series and Steve Zalewski. Joining them is Tammy Klotz, CISO, Trinseo.
In this episode:
Accountability without authority
Kill your hacklore
Voice is no longer enough
Studies that tell us what we already know
Huge thanks to our sponsor, ThreatLocker

Want real Zero Trust training? Zero Trust World 2026 delivers hands-on labs and workshops that show CISOs exactly how to implement and maintain Zero Trust in real environments. Join us March 4–6 in Orlando, plus a live CISO Series episode on March 6. Get $200 off with ZTWCISO26 at ztw.com.

All links and images can be found on CISO Series.
This week's episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining them is Russ Ayres, CISO, Principal Financial Group.
In this episode:
Metrics that matter
Tool babysitting problem
Automating the brokenness
Stay connected intentionally
Huge thanks to our sponsor, Strike48

Strike48 is the Agentic Log Intelligence Platform that actually puts AI agents to work, combining full log visibility with AI agents that investigate, detect, and respond 24/7. With pre-built agent clusters for security and a no-code agentic workflow builder, it's easy to get started. Learn more at strike48.com/security.

All links and images can be found on CISO Series.
This week's episode is hosted by David Spark, producer of CISO Series, and Andy Ellis, principal of Duha. Joining them is Janet Heins, CISO, ChenMed.
In this episode:
Inbound gets ignored
Independence under constraint
Methodology means nothing
Lives over logins
Huge thanks to our sponsor, Guardsquare

Guardsquare delivers mobile app security without compromise, providing advanced protections for both Android and iOS apps. From app security testing to code hardening to real-time visibility into the threat landscape, Guardsquare solutions provide enhanced mobile application security from early in the development process through publication. Learn more about how to protect your app at Guardsquare.com.

All links and images can be found on CISO Series.
This week's episode is hosted by David Spark, producer of CISO Series and Mike Johnson, CISO, Rivian. Joining them is Johann Balaguer, Global CISO, Hard Rock Hotels and Casinos.
In this episode:

Understanding the why
Own your digital self
Invest beyond tenure
Prepare for dependencies
Thanks to Louis Zhichao Zhang, AIA Australia for contributing this week's "What's Worse?!" scenario.
Huge thanks to our sponsor, Guardsquare

Guardsquare delivers mobile app security without compromise, providing advanced protections for both Android and iOS apps. From app security testing to code hardening to real-time visibility into the threat landscape, Guardsquare solutions provide enhanced mobile application security from early in the development process through publication. Learn more about how to protect your app at Guardsquare.com.

All links and images can be found on CISO Series.
This week's episode is hosted by David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining them is Sara Madden, CISO, Convera.
In this episode:
Hold developers accountable
Credibility through candor
Be strategic with AI deployment
Resources don't guarantee security
Huge thanks to our sponsor, ThreatLocker

ThreatLocker makes Zero Trust practical. With Default Deny, Ringfencing, and Elevation Control, CISOs get real control that's easy to manage and built to scale. Stop threats before they execute and reduce operational noise without adding complexity. See how simple prevention can be at ThreatLocker.com/CISO.