How Frustration Over TikTok Has Mounted in Washington

In an interview, Mr. Beckerman called TikTok’s data collection “all very minor” compared with other social apps. To reduce security concerns, the app has said that it plans to store all its American data in the United States, a process that Mr. Beckerman said would likely happen this year. He did not offer a specific date.

The White House may be preparing to act soon on broader policy…