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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Scott Orton CEO, Owl Cyber Defense

The National Cyber Strategy: “Nuclear-Grade” is the Way Forward

Late March 6, 2026, the White House released a new National Cybersecurity Strategy. While the strategy outlines a broad and ambitious roadmap for our digital future, the real challenge...
March 13, 2026
Kristina Dettwiler Product Marketing

Is ‘One‑Way’ Enough? Why Critical Ops Should Shift to Protocol Filtering Diodes

For years, “data diode” has meant one thing: a one‑way link you can trust. Data flows out, nothing comes back in. That simple guarantee underpinned one‑way security and audit‑re...
March 3, 2026
Amalia Rosen

Forrester Report: Zero Trust for Critical Infrastructure

Why Zero Trust Needs Hardware to Secure Critical Infrastructure: Insights from a New Forrester Report In 2025 alone, ransomware attacks on critical infrastructure caused over $10 billion...
February 18, 2026