In-app browsers on TikTok and other apps include code that could potentially track user activity on websites. (Photo Illustration by Thiago Prudêncio/SOPA Images/LightRocket via Getty Images) When ...

In the web browser used within the TikTok app, supplementary code lets the company track every character typed by users. The company said the capability was for troubleshooting. By Paul Mozur Ryan Mac ...