At least three of Bytedance Ltd.’s major investors have marked up the TikTok-owner’s valuation to more than $400 billion, a sharp rebound for a Chinese social video leader that has been threatened with a US shutdown.

"We confirmed DeepSeek communicating with ByteDance," a South Korean data protection regulator told Yonhap News Agency.

Since then, DeepSeek has been surrounded by controversies related to its data handling policies. Now, South Korea’s data protection regulator has accused DeepSeek of sharing user data with ByteDance.

After being removed in South Korea over data security concerns, the country's officials have accused DeepSeek of sharing user information with TikTok's Chinese owner ByteDance.

VOICEOVER ENG South Korea Bans DeepSeek Over Data-Sharing Concerns with ByteDance South Korea has accused Chinese AI startup DeepSeek of sharing user data with ByteDance, the parent company of TikTok The country’s data protection regulator confirmed the link and removed DeepSeek from app stores over privacy concerns The AI app,