One thing security advocates applaud about Telegram is that anyone with enough expertise can look under the hood at Telegram's source code, protocol, and API - although the complete picture is proprietary and not fully open source. Tech-savvy users can test Telegram's security themselves due to the program's open source aspects You can also change your privacy settings in the app so that only your contacts have access to your phone number and profile information, instead of the "everybody" setting. Similar to WhatsApp and Signal, it is suggested that you turn on two-step verification for the app to prevent account hijacks, which are made possible by hackers gaining access to your SMS code. Sensity, a security company that uses AI software to detect deepfakes, uncovered more than 100,000 images on the app and found that around 70% of users were located in or around Russia. It was not confirmed whether the security breach was the work of Iranian government officials, but many of the targets were identified as political activists.Īdditionally, a deepfake bot scandal took place on Telegram in 2020, where users on Telegram channels exchanged nudes powered by the DeepNude software - meaning fake nudes of women were computer generated from images taken off social media and were used for trading purposes. This backfired in 2016 when the user information of 15 million Iranians was exposed by an Iranian group of hackers called Rocket Kitten. Telegram collects your IP address, which Signal does not, and can link your phone number, contact list, and user ID back to you. Telegram's secret chat option can also only be held between two people, meaning there's a lack of end-to-end encryption for group chats.Īnd unlike Signal, Telegram doesn't comprehensively encrypt metadata. Compared to its competitors, Telegram does fall short security-wise in a few areasĪlthough end-to-end encryption is an option, it's been a criticism of Telegram that that type of encryption isn't the default setting - as it is for Signal, for instance.
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