Telegram states that it has the cryptographic keys

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Needed to decrypt these messages, but they are not used to access user content unless required by a court order involving terrorism investigations. In contrast, Secret Chats are designed to be fully end-to-end encrypted, meaning only the sender and recipient can read the contents, and Telegram itself has no access. This dichotomy is central to Telegram’s data collection model—convenience and synchronization for cloud chats, but increased privacy for Secret Chats. Another component of Telegram’s data collection is the storage of shared media. Telegram allows users to send photos, videos, voice notes, and files up to 2 GB each (larger for Telegram Premium).

These files are stored on Telegram’s cloud servers and can be re-downloaded across devices. This means Telegram must catalog and manage massive volumes of media content tied to user accounts. While iraq telegram data the company emphasizes that all this content is encrypted in the cloud, it still maintains storage and indexing capabilities, which implies some level of data collection and control. Contact synchronization is a significant part of Telegram’s user experience and an often-overlooked form of data collection. By default, Telegram requests access to the user’s phone contacts in order to connect them with friends already using the app. These contacts are uploaded to Telegram’s servers to facilitate discovery.

While this is standard practice among messaging apps, it does mean that Telegram has access to a user’s entire phone book, including names and numbers of people who may not even be Telegram users. Telegram states that this contact data is securely stored and used only to improve connection suggestions, but it remains an area of concern for privacy advocates. Telegram also collects data from user interactions with bots and channels. Bots are third-party programs that run inside Telegram using its Bot API.