Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
๐ซโ๐บโ๐ณโ๐ณโ๐พโ ๐ปโ๐ฎโ๐ฉโ๐ชโ๐ดโ๐ธโ ๐๐คฃ๐& 33; ๐๐๐๐๐ ๐๐๐ฟ๐๐๐ from nl