How Australia builds, secures and governs its digital systems will shape national resilience, public trust and strategic sovereignty. Consider MyGov, Medicare or the coming national digital identity. The creation of the National Cyber Security Coordinator and the 2023–2030 Cyber Security Strategy both show recognition that trust in digital systems underpins national resilience. Choices made now will decide who sets the standards for digital services, and whose rules shape the region’s infrastructure. Strong digital systems can tilt the balance between dependence and autonomy in the Indo-Pacific’s contested digital economy.