Dennis Lanahan

Dennis Lanahan


Dennis Lanahan is a cybersecurity veteran with deep expertise in operational technology who serves as Vice President for Critical Infrastructure Markets at Owl Cyber Defense. As a trusted advisor to operators and service providers alike, Dennis helps identify solutions for the most significant cybersecurity and operational challenges facing the critical infrastructure sector today. He also speaks regularly at industry conferences on strategies for minimizing risk while maximizing efficiency. Prior to joining Owl in 2007, Dennis held leadership positions with several other manufacturing and information technology companies. He earned a degree in Business Management and Computer Information Science at the University of Massachusetts.

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How Owl Cyber Defense Supports CISA’s CI Fortify Initiative

Critical infrastructure (CI) remains firmly in the cross-hairs of cyber adversaries. In fact, within a sample of more than 4,700 ransomware incidents in 2025, one-half targeted C...
June 10, 2026

Maximum Resilience Meets High‑Speed Protection with Owl Talon® v3.3

We’re proud to announce the release of Owl Talon® v3.3, the latest evolution of our globally trusted data diode platform. Built for the world’s most sensitive environments, Owl Talon...
June 5, 2026
Kristina Dettwiler Product Marketing

How Protocol Filtering Diodes Turn Zero Trust Requirements into Defensible DoD and CI Boundaries

Zero Trust is no longer just a slogan for DoD and critical infrastructure operators. "Never trust, always verify" now shows up in Pentagon OT guidance, FY 2026 NDAA language, and civilian...
May 25, 2026