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 postsFree 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.
The digital divide isn't closing on its own: what the 2025 Australian Digital Inclusion Index means for North Queensland
What Australia's latest digital inclusion data says about access, affordability, digital ability and the emerging AI divide in North Queensland.
AI is changing cyber security — but the fundamentals still matter
Artificial intelligence is speeding up both attackers and defenders, and quietly expanding what counts as an organisation's attack surface. Schools, charities and small businesses are not exempt.