The Australia TikTok ban follows the same concerns that have prompted actions by its allies; fears that sensitive personal or classified information will find its way from government devices to ByteDance servers in China.
The UK has followed the US in enacting a TikTok ban that applies to government devices, citing national security concerns. The ban is part of a broader review of potential social media app threats.
The White House has ordered federal agencies to remove TikTok from government devices within 30 days. The TikTok ban includes any app made by parent company Bytedance, and extends to government contractors to be implemented over a longer period of time.
Legislation that would institute a TikTok ban on government devices has cleared the first major hurdle in Congress, passing the Senate with unanimous consent. The "No TikTok on Government Devices Act" was authored by Senator Josh Hawley (R-MO) but had strong bipartisan support.