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Mike Johnson

David Spark

and Andy Ellis

Discussions, tips, and debates from security practitioners and vendors on how to work better together to improve security for themselves and everyone else.

CISO Series Podcast

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 Mike Johnson, CISO, Rivian. Joining us is David Cross, CISO, Atlassian.
 
In this episode:
 
 • Breaking the Sales Cycle
 • Leadership Under Fire
 • Predicting the Unpredictable
 • Security Startups' Security Paradox
 
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.

New Study Finds No Email Has Ever “Found You Well”

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 (@csoandy), principal of Duha. Joining us is Gary Chan, CISO, SSM Health. Be sure to check out Gary's security mentalism website: https://www.gschan2000.com.
 
In this episode:
 
 • Decision-making with incomplete information
 • Translation beats technical expertise
 • Influence trumps authority for CISOs
 • Technical prowess creates adversaries
 
Huge thanks to our sponsor, Vanta
 
 
 Automate, centralize, & scale your GRC program with Vanta. Vanta’s Trust Management Platform automates key areas of your GRC program—including compliance, internal and third-party risk, and customer trust—and streamlines the way you gather and manage information. And the impact is real: A recent IDC analysis found that compliance teams using Vanta are 129% more productive. Get started at Vanta.com/ciso.

I Just Can’t Communicate With the Business. I’ve Tried Condescension AND Derision.

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 (@csoandy), principal of Duha. Joining us is our sponsored guest, Kevin Tian, co-founder and CEO, Doppel.
 
In this episode: 
 
 • AI fraud gets on the juice
 • Agentic AI demands a new security mindset
 • The new frontier for social engineering
 • We still need human verification
 
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.

Impressive! Our AI is Approaching “One 9” of Accuracy.

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 Mike Johnson, CISO, Rivian. Joining them is their sponsored guest, Rajan Kapoor, CEO of Material Security.
 
In this episode:
 
 • AI creates security's catch-22
 • Delegation without abandonment
 • Google's security gaps demand better tools
 • Trust beats sophistication every time
 
A huge thanks to our sponsor, Material Security
 
 
 
What if you could get a view of security across Google Workspace–email, documents, and accounts–all in one place? Material Security unifies your Google Workspace security operations, simplifying and strengthening security with continuous monitoring and automatic issue resolution. See how Material Security simplifies your security for GMail, GDrive and Google accounts. Learn more at https://material.security.

They Can’t Hack All Our Tools If We Keep Buying New Ones

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 Mike Johnson, CISO, Rivian. Joining us is our sponsored guest, Rob Allen, chief product officer, ThreatLocker.
 
In this episode:
 
 • Large enterprise security demands drive vendor improvements
 • Technical expertise becomes leadership liability without delegation
 • EDR evolution needs prevention focus
 • Career breaks require personal ownership and strategic timing
 
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.

Cosmo Quiz! 23 Ways to Make Your Vendors Obsessed With Your Security Standards

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 (@csoandy), partner, YL Ventures. Joining us is Peter Clay, CISO, Aireon.
 
In this episode:
 
 • Purple teaming evolution misses operational realities
 • Effective postmortems require systematic failure analysis
 • Risk expertise requires business context over methodology
 • Compliance and resilience serve different purposes
 
Huge thanks to our sponsor, Safe Security
 
 
 
SAFE is reinventing Third-Party Risk Management with Agentic AI. Our AI Agents automate onboarding, assessments, and monitoring—giving security teams real-time visibility and zero-effort control across their vendor ecosystem. See why SAFE is the fastest-growing TPRM platform on the market at https://testdrive.safe.security/.

We’ll Worry About Recovering From the Attack Once We Ace This Audit

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 (@csoandy), principal, Duha. Joining us is our sponsored guest, Edward Wu, CEO and founder, Dropzone AI.
 
In this episode: 
 
 • Building context-aware verification frameworks
 • Understanding why UX fails
 • Moving beyond AI replacement narratives
 • Building for a crisis
 
A huge thanks to our sponsor, Dropzone AI
 
 
 
Dropzone AI autonomously investigates every security alert—no playbooks needed. This AI SOC analyst queries your CrowdStrike, Splunk, threat intel feeds, and 60+ other tools to build complete investigations in 5 minutes. Unlike black-box automation, it shows every query, finding, and decision. See it work yourself—explore the self-guided demo at dropzone.ai.

Once You Memorize the Manual, Our User Interface is Very Intuitive

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 Edward Contreras, senior evp and CISO, Frost Bank. Joining us is Anthony Candeias, CISO, Weight Watchers.
 
In this episode:
 
 • AI agents require structured supervision, not autonomy
 • Hiring for potential over credentials in cybersecurity
 • AppSec training effectiveness depends on organizational relevance
 • AI oversight requires purpose-built models, not general solutions
 
A huge thanks to our sponsor, Vanta
 

 
Vanta’s Trust Management Platform helps 10k+ companies—like Atlassian, Quora, and Chili Piper—start and scale their security programs and build trust with buyers. Vanta saves security teams time and improves program visibility by automating 35+ compliance frameworks, such as SOC 2 and ISO 27001, and GRC workflows, like risk management. Get started at Vanta.com/CISO

Not Enough Hallucinations? Let’s Outfit Your LLM with Another LLM

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 Mike Johnson, CISO, Rivian. Joining us is Anne Marie Zettlemoyer, former vp of security, Activision Blizzard.
 
In this episode
 
 • SOC automation: Moving beyond alert fatigue
 • The entry-level security talent reality
 • Learning from security incidents without blame
 • Evaluating security vendor viability and partnerships
 
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.

We Require 3-5 Years of Experience to Qualify for the Cyber Skills Shortage

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 Edward Contreras, senior evp and CISO, Frost Bank. Joining us is Ryan Bachman, executive vice president and CISO, GM Financial.
 
In this episode
 
 • Identity consolidation versus simplification
 • Entry-level pathways into cybersecurity
 • Evolution of the CISO role toward business resilience
 • Applying simplification principles to cybersecurity complexity
 
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.

We Can Either Build Resilience or Just Always Be Perfect

This week’s episode was recorded in front of a live audience at the Colorado Convention Center in Denver as we kicked off the Rocky Mountain Information Security Conference (RMISC). See the blog post for this episode here.
 
Joining me, David Spark (@dspark), producer of CISO Series, on stage was my guest co-host, Jay Wilson, CISO for Insurity. Our guest is Michelle Wilson, CISO, Movement Mortgage.
 
HUGE thanks to our sponsor, Trend Micro
 
 
 
The stakes are high for cybersecurity decision makers as the threat landscape and attack surface continue to evolve. Explore Trend Micro’s CISO Resource Center for research-driven strategic insights and best practices to help leaders better understand, communicate, and minimize cyber risk across the enterprise. Learn more.

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