Nicholas O'Sullivan
IT leader and cyber security professional in Townsville
I'm Nicholas O'Sullivan — usually Nick — a Townsville-based IT professional with more than 15 years of experience across infrastructure, cloud platforms, education technology, cyber security, systems administration and practical technology leadership.
Professional focus
I focus on secure, explainable and maintainable technology: strengthening school technology foundations, improving cloud and identity governance, planning resilient infrastructure and helping organisations understand which technology risks and improvements matter most.
Technology leadership
Strategy, service delivery, infrastructure planning, documentation and practical risk management.
Cyber security
Identity, Microsoft 365, endpoint management, cloud governance and security-minded operations.
Infrastructure
Networks, servers, virtualisation, automation and maintainable systems for complex environments.
Recent articles
View all postsNorth Queensland Cyber Watch: Storm names Westco Motors Cairns in ransomware claim
The Storm ransomware group has named Westco Motors Cairns on its leak site and published sample documents, but the dealership has not publicly confirmed a breach. What is known, what remains alleged, and what Cairns and Townsville businesses should take from it.
Agentic AI and your attack surface: what to ask before connecting one
Before connecting an AI agent to email, files or business systems, schools, charities and small businesses should ask what it can see, what it can do, and what happens when it gets something wrong.
Free Townsville workshop: AI & Cyber Skills Every Small Business Needs
A free practical AI and cyber security workshop for Townsville businesses is being held at Rydges Southbank on Tuesday, 8 September 2026. Lunch is included.
North Queensland Cyber Watch: Oz Hair & Beauty confirms customer data was accessed
Oz Hair & Beauty has confirmed customer contact and purchase data was accessed in a cyber incident. What Townsville shoppers should know, and why retail data matters.