Exclusive: Hackers accessed Telegram messaging accounts in Iran - researchers

By Joseph Menn and Yeganeh Torbati SAN FRANCISCO/WASHINGTON (Reuters) - Iranian hackers have compromised more than a dozen accounts on the Telegram instant messaging service and identified the phone numbers of 15 million Iranian users, the largest known breach of the encrypted communications system, cyber researchers told Reuters. The attacks, which took place this year and have not been previously reported, jeopardized the communications of activists, journalists and other people in sensitive p