The Telegram logo is seen on a screen of a smartphone in this picture illustration taken April 13, 2018. REUTERS/Ilya Naymushin/File Photo
The chief executive of Telegram, a popular encrypted messaging app, said on June 12 the messaging service experienced a "state actor-sized" cyberattack and pointed to China as its likely country of origin.
The service was hit by a "powerful DDoS attack" originating from IP addresses mostly inside China, Pavel Durov, Telegram's CEO, said in a tweet.
