From the Summary: "TikTok is a globally popular video-sharing smartphone application (app) owned by ByteDance Ltd., a privately held company headquartered in Beijing, China. It is under increasing scrutiny by the U.S. government as a potential privacy and security risk to U.S. citizens. This is because ByteDance, like all technology companies doing business in China, is subject to Chinese laws that require companies operating in the country to turn over user data when asked by the government. Researchers differ over how TikTok data collection compares with other social media apps and whether TikTok poses a threat to the privacy and security of its U.S. users."
CRS Report for Congress, R46543
Congressional Research Service: https://crsreports.congress.gov/