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By Frank Smyth/CPJ Senior Adviser for Journalist Security
With a chapter on Technology Security by CPJ Staff Technologist Tom Lowenthal and Danny O’Brien
About the Authors   |   Acknowledgments



Introduction: With CPJ Senior Journalist Security Adviser Frank Smyth




Blog   |   Iran, Security

Why Telegram's security flaws may put Iran's journalists at risk

An Iranian shows messages on Telegram about Iran's elections in February. Security experts warn that users of the app may be at risk of data compromise. (AP/Vahid Salemi)

The mobile messaging app Telegram is popular in Iran, where citizens who have limited access to uncensored news and mainstream social media sites, such as Facebook and Twitter, use it to share and access information. But the app's estimated 20 million users in Iran, including those who use Telegram to report and communicate with sources, could be putting themselves at severe risk of data compromise, security experts warn.


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