Umar Mohammad, the doctor suspected to be the suicide attacker in the Delhi car blast, was part of a radical doctors' group that coordinated on the popular messaging app Telegram. Umar, according to ...

A single click on what may appear to be a Telegram username or harmless link is all it takes to expose your real IP address to attackers due to how proxy links are handled. Telegram tells ...

The latest series of attacks began with phishing: a potential victim was offered to download "important working documents" from a link that looked like a Telegram file storage. Clicking on such a link ...

Despite internet blackout, a small number of Iranians are risking their lives to share messages as protests continue ...