Zero Trust Expert & Cyber Leader

Raghu Nandakumara

Head of Industry Solutions

Raghu Nandakumara is Head of Industry Solutions at Illumio, the Zero Trust Segmentation company. Based in London, UK, Raghu is responsible for helping customers and prospects across a variety of industries build resilience and accelerate Zero Trust outcomes with Zero Trust Segmentation. Previously, Raghu spent 15 years at Citibank, where he held a number of network security operations and engineering roles. Most recently, he served as a Senior Vice President, where he was responsible for defining strategy, engineering, and delivery of solutions to secure Citi’s private, public, and hybrid cloud environments. Raghu holds an undergraduate degree in mathematics and computer science from the University of Cambridge, and a master’s degree in advanced computing from Imperial College London.

Authored content

Weekly Briefing

From Beanie Babies to Breaches: Why Trust Is the Real Attack Surface

Learn insights from Raghu Nandakumara's recent conversation with former cybercriminal Brett Johnson to unpack how attackers manipulate perception and why Zero Trust.

Weekly Briefing

For Zero Trust Security, AI-Driven Context Always Beats AI-Generated Alerts

Learn how AI-powered context and dynamic segmentation are shaping the next era of Zero Trust security.

Weekly Briefing

Network Security Isn’t Dead. It’s Evolving.

Learn why a strong Zero Trust strategy needs both identity and network security to reduce risk and build a resilient cybersecurity framework.

Weekly Briefing

AI-Generated Attacks Are Here. Zero Trust Is How We Fight Back.

Learn why traditional defenses fail against GenAI threats, and explore actionable steps to implement a resilient, adaptable Zero Trust strategy.

Weekly Briefing

Telecom Cyberattack Shows That Security Risk Is Operational Risk

Learn why the breach demonstrates that cyber risk is business risk and discover how security leaders can communicate a value-based approach to security with their board.

Weekly Briefing

DORA's January 2025 Deadline Is 3 Months Away. Are You Ready?

Get insight into how Zero Trust can help your organization reach DORA's January 2025 deadline.

Weekly Briefing

Zero Trust Is Finally Mainstream

Learn why Zero Trust is now a mainstream best practice security strategy.

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