Series

CISO Series is a media network for cybersecurity professionals, delivering the most fun you’ll have in cybersecurity. We publish 10-11 episodes every week across our network of five programs. Four of our programs are audio podcasts, and we also have two live streaming video events every week. Please check out our events page for upcoming virtual and in-person events.

Here are some of the voices you hear on our network.

David Spark

David Spark (@dspark) is the founder and executive producer of the CISO Series. He also co-hosts many of our shows.

David Spark
David Spark

Spark is a veteran tech journalist that’s appeared in many media outlets such as eWEEK, Wired News, Forbes, PCWorld, ABC Radio, John C. Dvorak’s “Cranky Geeks,” KQED’s “This Week in Northern California,” and TechTV (formerly ZDTV).

Outside of tech, security, and marketing, Spark squandered more than a dozen years working as a touring stand up comedian, a San Francisco tour guide, and comedy writer for The Second City in Chicago.

Co-hosts for CISO Series Podcast

Mike Johnson is the CISO of Rivian.

Andy Ellis (@csoandy) is the principal for Duha.

Co-hosts for Defense in Depth

Geoff Belknap (@geoffbelknap), former CISO, LinkedIn

Steve Zalewski, former CISO, Levi Strauss

Reporters for Cybersecurity Headlines

Steve Prentice

Steve Prentice (@StevenPrentice) is the sponsored segment producer for the CISO Series. You can hear his voice on all three podcasts in our network. In addition to his focus in cybersecurity, Prentice also writes about how human beings interface with technology.


Sarah Lane (@SarahLane) is a veteran TV and Web journalist and host with experience at TechTV, Revision 3, TWiT, TechCrunch, Lionsgate and more. Sarah hosted Tech News Today with Tom Merritt for several years and directed video as well as hosting updates for TechCrunch.


Rich Stroffolino

Rich Stroffolino (@MrAnthropology) is a podcaster, editor and writer based out of Cleveland, Ohio. He’s spent the past five years creating media for technology enthusiasts and IT practitioners. He dreams of someday writing the oral history of Transmeta.


Lauren Verno, an award-winning journalist, embraces her expertise, transitioning seamlessly into a cyber defender to bring you captivating updates on cybersecurity news.

Job opportunities

We’re always looking for talented cybersecurity journalists. Feel free to reach out.