Articles on technology leadership, cyber security, infrastructure, education technology, homelabs and the Townsville technology community.

Can they email as me? Building a free domain spoofing check

Why I built Can They Email As Me?, a free Australian tool that checks whether a domain has SPF, DKIM and enforcing DMARC protections against email spoofing.

ASD's frontier AI guidance for boards — it's not just for ASX 200 directors

ASD and the AICD published guidance this week on frontier AI cyber threats for boards. The questions it raises apply just as directly to school councils, charity boards and small business owners.

Five cyber security podcasts I keep coming back to

Five cyber security podcasts I recommend for current news, deeper technical discussion and lessons from the incidents that shaped the industry.

Asset security and identity: know what you have, and who can reach it

You can't protect what you haven't accounted for, and you can't control access to something you haven't classified. A practical look at asset security and identity and access management.

North Queensland Cyber Watch: ransomware hits Townsville Christian College

Townsville Christian College has confirmed a criminal ransomware attack breached its network in June 2026, potentially exposing sensitive student and family data — and offers a model for how a school should respond when it happens.

Townsville Computer Man is back — and yes, I started this in Year 12 with Notepad

Townsville Computer Man has relaunched with a repair-focused service. Here's the origin story: a 2009 business registered in my final year of school, and why it's back.

The CIA Triad: the foundation every cyber security decision sits on

A plain-English guide to the CIA Triad — confidentiality, integrity and availability — and how Australian organisations, from schools to banks, balance all three.