Differences among the 'Five Eyes' over the tech company's role in building 5G networks pose a threat to the long-standing Western consensus about how to manage relations with China.
Tensions have emerged before over US-UK intelligence sharing, but the Johnson government's decision over Huawei is different.
After Theresa May passed the buck, her successor has put pragmatism first.
Introduced properly, 5G could have an enormous impact. We are placing it at risk.
Justin Trudeau's government should assemble a strong, non-partisan China team led by the West to build a uniquely Canadian Asia strategy, with China at its core.
China and the United States are not at war, but cyberspace has created opportunities for intelligence gathering, influence and sabotage that are already taking place.
US actions do more than just keep Huawei away from critical infrastructure. They choke off the supply of semiconductors to China.
The technology behind the new OS certainly looks promising. But it's no magic solution to the US trade ban.
The place of Huawei in Canada's 5G network, and the associated national security implications, will be a key issue for the next federal government.
Mike Burgess, previously head of the Australian Signals Directorate, has a solid history in the intelligence area and Labor has welcomed the choice.
Advocates and opponents of breaking up Facebook, Google and other technology giants are falling prey to some serious misconceptions.
Choices the US, Australia and other nations make around how they set up 5G will determine how we use technology for collaboration, innovation and global business into the future.
It's not clear what we gain by blocking Huawei's involvement in Australia's 5G network.
Trump's new executive order reflects a fear of sabotage, where an enemy such as China or Russia could turn off critical infrastructure like the internet or communications capability.
Countries may be forced to choose whether they side with the US or China when it comes to Huawei.
Politicians have been leaking secrets to journalists as long as newspapers have existed. But it's getting more difficult thanks to surveillance technology.
Cutting Huawei out of the picture would limit Western access to new, state-of-the art technology.
Nuances and complexities will characterise Australia's relationship with China for the foreseeable future.
The standoff over Australian coal imports through Dalian sends a powerful political message: that Beijing can turn imports off and on at will.
Another case involving an even more egregious violation of international law by China against Canada languishes largely forgotten.
Huseyin Celil, a Canadian citizen, has been in jail since 2006.