"China Enlists Tencent, Weibo And Douyin To Protect State Secrets; Law Taking Effect Wednesday Seen Requiring Internet Companies To Help Curb Leaks; China Implemented Revised State Secrets Law, Requiring Tencent, Weibo To Delete Leaked Information, Cooperate With Government Investigations" - Nikkei Asia

https://asia.nikkei.com/Politics/China-enlists-Tencent-Weibo-and-Douyin-to-protect-state-secrets

BEIJING -- China on Wednesday implemented a revised State Secrets Law, requiring internet companies such as Tencent and Weibo to delete leaked information and cooperate with government investigations, further underscoring President Xi Jinping's focus on national security.

Protecting and curbing the spread of state secrets online, in an increasingly digitally focused society, is a central element of the extensive revisions to the law, which has been updated for the first time since 2010. The changes add "internet information" to the list of distribution channels that must follow secrecy requirements, joining books, newspapers and television.