Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. One thing that Telegram now offers to all users is the ability to “disappear” messages or set remote deletion deadlines. That enables users to have much more control over how long people can access what you’re sending them. Given that Russian law enforcement officials are reportedly (via Insider) stopping people in the street and demanding to read their text messages, this could be vital to protect individuals from reprisals. Some privacy experts say Telegram is not secure enough Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels.
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