Sadegh Ahmadzadegan and Omid Ghaffarinia are two of seven accused Iranian hackers indicted by the U.S. Justice Department in March for state-sponsored hacking. Telegrams Markus Ra told Threatpost that the allegations were click bait fear mongering on the part of the researchers. According to the indictment, the Iranian hackers are accused of working for the Iranian Revolutionary Guard Corps and carried out DDoS attacks against 46 U.K. financial institutions.”]
Source: https://grahamcluley.com/telegram-calls-claims-bug-messaging-service-bogus/