All links and images can be found on CISO Series.

This week's episode is hosted by me, David Spark, producer of CISO Series and Andy Ellis, principal of Duha. Joining us is our sponsored guest, Tim Leehealey, vp of corporate strategy and operations, Strike48.

In this episode:

• Defensible, not perfect
• Tools aren't going to save you
• Logs are wasted on the SOC
• The myth of the lone wolf

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 Vikas Mahajan, vp and CISO, American Red Cross.

In this episode:

• Questionnaires aren't risk management
• The good old days were worse
• Buying or building your SOC
• Start the conversation, not the checklist

Huge thanks to our sponsor, Adaptive Security

Sponsored by Adaptive Security—the first cybersecurity company backed by OpenAI. AI impersonation and deepfakes have made trust the new attack surface. Adaptive runs realistic social-engineering simulations and instantly turns threats, policies, and compliance needs into interactive, multilingual training. Trusted by Fortune 500s. Learn more at adaptivesecurity.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 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.