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 postsThe 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.
Announced, welcomed, then refused: what happened to Townsville's $42.1m affordable housing precinct?
Townsville's proposed 81-home affordable living precinct was celebrated in April and refused in July. What happened between announcement and outcome?
If you work in tech, your own .id.au domain just makes sense
Why Australia's little-known .id.au domain is a cheap, practical home for your professional portfolio, personal email, technical writing and online identity.