Chief Security Evangelist & Advisory CISO at Segura®
Cybersecurity Leader | Author | Speaker | Advocate
I’ve spent over 30 years securing systems, leading cyber defense initiatives, and helping organizations take a proactive approach to risk.
As Chief Security Evangelist & Advisory CISO at Segura®, I bring technical insight, policy-level experience, and a passion for cybersecurity education to every conversation.
I’m the author of Cybersecurity for Dummies, a globally recognized guide read by over 20,000 professionals. I also host Security by Default, a podcast that explores real-world risks, best practices, and lessons from top experts.
Insights on resilience, risk, and leadership in cybersecurity.
Insights from RSAC 2026 on AI security, identity governance, and modern privileged access strategy.
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As IT and OT converge, identity and privileged access become the primary risk surface. Learn how to assess maturity and reduce converged risk without disrupting operations.
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A Practical Guide for Security Leaders Building a Modern, Identity-First Privileged Access Management Strategy.
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In a recent conversation, a senior executive at a major software company unpacked the hidden implications of unchecked AI adoption in the enterprise. From their vantage point—advising Fortune 500 CISOs and CTOs on security strategy—the threat is clear: Shadow AI is the new Shadow IT, and its impact may be even more disruptive.
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Recently, I had an interview with a seasoned identity expert from a global retail manufacturing giant who joined the conversation to unpack the evolution of IGA, share real-world challenges, and explore where the industry is heading next.Here are the top takeaways from that insightful discussion.
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Explore cybersecurity as a business enabler to cut costs, boost resilience, and turn security into a true competitive advantage.
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This year, I joined NATO’s Locked Shields: the world’s largest cyber defense simulation. We defended critical systems under live-fire attack scenarios, gaining real-time insight into identity risk, infrastructure resilience, and cross-team coordination.
Join Segura®’s experts in-person or virtually for sessions covering identity security, PAM, machine identity, cloud security, and the threat landscape influencing 2026.
May 21, 2026
Sessions:
The Marauder's Map: Revealing Identity Compromise in Your Network
Panel: PANEL: ITDR in the Real World: Detecting Identity Attacks Before They Become Breaches
Berlin, Germany
May 26, 2026
Workshop: Identity Under Attack: Executive and Leadership Tabletop Simulation for Credential Compromise
Tallinn, Estonia
Hidden identities are the easiest way in.
This guide shows how to discover and control every account before attackers do.
Real-world risks. Straight answers. Join me as I sit down with industry leaders to talk breaches, resilience, and what actually works in identity security.
