The Iranian judiciary has issued a total ban on Telegram. The country’s security services believes that the encrypted messaging app is a safe haven for terrorist cells.
“Considering various complaints against the Telegram social networking app by Iranian citizens and based on the demand of security organizations to confront the illegal activities of Telegram, the judiciary has banned its usage in Iran. All internet providers in Iran must take steps to block Telegram’s website and app as of April 30.”
They cite that the company has repeated refused to cooperate with Iranian authorities in their investigations of various criminal activities. In September of 2017, Iran launched a criminal probe against the messenger’s CEO, Pavel Durov. They outlined how the app provides services to terrorist groups such as Islamic State and created a platform for the activities of other groups that promote and facilitate the dissemination of child pornography, human trafficking and narcotics trafficking.