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Almost a billion mobile users, holding various devices, could have had their communications revealed to malicious third parties, a report from cybersecurity researchers Citizen Lab claims.
It says different device manufacturers have used different keyboard apps which were relaying unencrypted communications, transmitting keystrokes via plaintext, and similar. Tencent QQ Pinyin, Baidu IME, iFlytek IME, Samsung Keyboard on Android, Xiaomi (with keyboard apps from Baidu, iFlytek, and Sogou), OPPO, Vivo, Honor, all of these allowed potential threat actors to decrypt Chinese mobile users’ keystrokes, completely passively, and without the users needing to send any extra network traffic.
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