Why was TikTok banned on government devices?

TikTok CEO testifies on Capitol Hill about app's safety, security

Canada issues TikTok ban on government-issued devices

TikTok banned on all Canadian government devices over

Why was TikTok banned on government devices?

What Happens if TikTok is Banned? - Ep 53

White House backs Senate bill to boost US ability to ban TikTok

TikTok to be banned from UK parliamentary devices, TikTok

Senate Passes TikTok Bill That Would Ban App From Government

These provinces are also banning TikTok on government devices

Why TikTok is being banned on gov't phones in US and beyond