According to the FSB, the April terrorist attack in the subway of St. Petersburg prepared by using Telegram
The terrorist attack in the subway of Saint Petersburg, which took place on 3 April this year, was prepared with the help of the messenger Telegram, as reported by representatives of the Federal security service.
Supposedly, FSB has reliable information that a suicide bomber, his accomplices and foreign curator Telegram used in all stages of preparation of a terrorist act and conceal their criminal intentions.
The FSB said that terrorists around the world use instant messengers to communicate among themselves and with their curators from abroad, but the most actively used it to Telegram, which has «the ability to create secret chats with high level of encryption of the transmitted information.»
About possible blocking of Telegram actively talking last week, when Roskomnadzor demanded from Pavel Durov to comply with Russian legislation.
Later Alexey Zharov demanded Durov to transfer to special services of Russia the keys to decrypt the correspondence in the Telegram, Durov upreknuv him in ignorance of the principles of encryption.