The Segment: A Zero Trust Leadership Podcast

Why Cybersecurity Must Serve the Business, Not Block It — Insights from Carl Froggett

Episode Notes

In this episode of The Segment, host Raghu Nandakumara sits down with Carl Froggett, Chief Information Officer at Deep Instinct, the first company to apply end-to-end deep learning to cybersecurity.

With nearly three decades of experience — including over 20 years at Citi leading global infrastructure defense and cybersecurity services — Carl brings a rare, full-circle perspective on how the cyber landscape, leadership, and culture have evolved from the early 2000s to today’s AI-driven world.

You’ll learn:

• How Carl “accidentally” fell into cybersecurity — and what the early days of firewalls and compliance-driven security looked like
  
   
• What it was like to pioneer one of Citi’s first dedicated cyber teams
  
   
• Lessons in leadership from iconic figures like Charles Blauner, Greg Lavender, and John Miller
  
   
• How Citi became an early adopter of technologies like Palo Alto Networks, Splunk, CrowdStrike, and Illumio
  
   
• Why building business alignment and trust matters more than ever for CISOs
  
   
• How to frame security risks in business terms — and where many leaders go wrong
  
   
• The massive shift from machine learning to deep learning in cybersecurity
  
   
• How generative AI and “dark AI” are redefining the threat landscape — and why the next era of defense demands a mindset change
  
   

Packed with nostalgia, hard-won wisdom, and forward-looking insight, this episode bridges cybersecurity history, human leadership, and the AI-powered future ahead.

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For more information about Illumio, check out our website at illumio.com