Former Home Affairs secretary Mike Pezzullo has issued a blunt warning about one of the most dangerous security questions facing Australia: what happens if China invades Taiwan?
Pezzullo, one of Australia’s most prominent former national security officials, reportedly said Australians need to think about how the country would “put the war paint on” if a war broke out between China and Taiwan. The phrase is confronting, and that is why it has cut through. It is not the language of routine diplomacy. It is the language of national preparation, risk, and the possibility that Australia could be forced into decisions most Australians rarely think about until a crisis is already unfolding.
The warning does not mean Australia is going to war. It does not mean a conflict over Taiwan is inevitable. But it does point to a much bigger issue: Australia sits in a region where the balance of power is shifting, China’s military reach has grown, Taiwan remains under constant pressure, and the United States expects its allies to think seriously about what they would do if a major conflict erupted in the Indo-Pacific.
Taiwan is not just a distant foreign policy issue. It is a flashpoint that could affect shipping routes, trade, technology supply chains, military alliances and Australia’s own security planning. A war over Taiwan would not stay neatly contained on a map. It could pull in the United States, destabilise the wider region, trigger economic shockwaves and place enormous pressure on countries such as Australia to decide where they stand and what role they are prepared to play.
Australia’s official position remains tied to its longstanding one-China policy. The Australian Government says it does not recognise Taiwan as a sovereign state, while still maintaining substantial unofficial ties with Taiwan through trade, investment, education, tourism and people-to-people links. That position has allowed Australia to maintain a relationship with Taiwan while also managing its diplomatic relationship with Beijing.
But Pezzullo’s warning cuts through the diplomatic language and asks a harder question. If China used force against Taiwan, would Australia be prepared politically, militarily, economically and socially for what could follow?
That is where the debate becomes uncomfortable. Australia has a strong alliance with the United States, and the US has long been central to regional security. But an alliance does not automatically answer every question before a crisis begins. The Australian Government has previously said it would not pre-commit troops to a hypothetical conflict and that any decision about military involvement would be made by the government of the day at the time.
That matters because a Taiwan conflict would be one of the most serious decisions any Australian government could face. Sending forces, supporting US operations, allowing use of Australian facilities, protecting sea lanes, responding to cyber attacks, managing trade disruption and preparing the public for economic pain are all different decisions. Each carries consequences.
Pezzullo’s “war paint” warning is not just about soldiers and ships. It is about whether Australia has the national mindset to deal with a major regional crisis. Modern conflict does not only happen on battlefields. It can involve cyber attacks, economic coercion, fuel disruption, supply shortages, misinformation, pressure on critical infrastructure and sudden demands on defence capability.
For everyday Australians, the question is not whether they support war. Most people do not want war. The question is whether the country is prepared for the possibility that events outside Australia’s borders could still hit Australian households, businesses and communities directly.
A conflict over Taiwan could affect the price of goods, access to key technology, global markets, shipping routes and national security. Taiwan plays a major role in the global semiconductor industry, and any major disruption could affect electronics, vehicles, defence systems, telecommunications and countless other sectors. Even without Australian troops being sent anywhere, the economic and security impact could be severe.
That is why Pezzullo’s comments are likely to spark debate. Some Australians will see his warning as a necessary wake-up call. Others will worry that talk of “war paint” risks normalising the idea of war before diplomacy has been exhausted. Both reactions point to the same reality: Australia has not had a deep enough public conversation about what a Taiwan crisis could actually mean.
The most responsible way to discuss this issue is not through panic, chest-beating or fear. It is through preparation, honesty and clear thinking. Australia needs to understand its interests, its limits, its alliance obligations, its economic vulnerabilities and the risks of both action and inaction.
There is also a political reality. Any Australian government would face intense pressure in a Taiwan crisis. The United States would likely expect support from allies. China would likely warn countries against involvement. The Australian public would demand answers. Businesses would worry about trade. Defence planners would look at readiness. Families would ask whether Australian lives could be put at risk.
That is why this story matters. Pezzullo’s warning is not simply a headline about one man’s choice of words. It is a reminder that Australia’s security environment has changed. The Indo-Pacific is no longer a calm background issue that can be left to diplomats, defence officials and closed-door briefings. It is becoming a central national question.
Australia does not need reckless language. It does not need politicians pretending war is inevitable. But it also cannot afford to act shocked if a crisis arrives and the country has not properly prepared for the consequences.
The China–Taiwan question is one of the biggest strategic risks in the region. Pezzullo’s warning forces Australians to confront a difficult truth: if war ever broke out over Taiwan, Australia may not be able to stand at a distance and simply watch.