Telegram founder Pavel Durov has warned app developers of an emerging cyber threat he calls takedown extortion, after Apple briefly removed Telegram from its App Store following an attack in which a user planted AI-modified illegal content inside a public group chat. Durov said the app was restored within hours but cautioned that no app hosting user content is safe from similar attacks.

Aug 3 : Telegram was briefly removed from Apple's App Store globally after the iPhone maker reported one user had shared "child sexual abuse material," the messaging app said on…

The messenger’s founder, Pavel Durov, has faced accusations in several countries of failing to curb criminal activity on the platform