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🔹مسابقه درک عمومی فیزیک🔹 تاریخ: شنبه 24 آذر ماه مکان: مرکز نوآوری و کارآفرینی ⏰ساعت: 12 تا 14 🎁به همراه اهدای جایزه برگزیدگان 🧑🎓ورود برای تمامی دانشجویان آزاد است
🔹مسابقه درک عمومی فیزیک🔹 تاریخ: شنبه 24 آذر ماه مکان: مرکز نوآوری و کارآفرینی ⏰ساعت: 12 تا 14 🎁به همراه اهدای جایزه برگزیدگان 🧑🎓ورود برای تمامی دانشجویان آزاد است
Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender. Telegram does offer end-to-end encrypted communications through Secret Chats, but this is not the default setting. Standard conversations use the MTProto method, enabling server-client encryption but with them stored on the server for ease-of-access. This makes using Telegram across multiple devices simple, but also means that the regular Telegram chats you’re having with folks are not as secure as you may believe. Telegram users are able to send files of any type up to 2GB each and access them from any device, with no limit on cloud storage, which has made downloading files more popular on the platform. "Someone posing as a Ukrainian citizen just joins the chat and starts spreading misinformation, or gathers data, like the location of shelters," Tsekhanovska said, noting how false messages have urged Ukrainians to turn off their phones at a specific time of night, citing cybersafety. In February 2014, the Ukrainian people ousted pro-Russian president Viktor Yanukovych, prompting Russia to invade and annex the Crimean peninsula. By the start of April, Pavel Durov had given his notice, with TechCrunch saying at the time that the CEO had resisted pressure to suppress pages criticizing the Russian government.
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