Social Platforms Feel Policy Pressure on Teen Privacy Controls

Tech companies including TikTok, Alphabet Inc., and Facebook Inc. are tightening privacy controls for teenagers as social media platforms feel policy pressure over protections for younger users.

Short-video platform TikTok, which is popular among teens, is changing privacy settings for users ages 13 to 17 to give them more control over who they share videos and messages with, the company announced in a blog post.

TikTok already makes accounts belonging to users under age 16 private by default, meaning only someone that they approve as a follower can view their videos. Features like messaging directly with other TikTok ...