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Facebook Messenger Bug Allows Spying on Android Users

November 20, 2020

Facebook has patched a significant flaw in the Android version of Facebook Messenger that could have allowed attackers to spy on users and potentially identify their surroundings without them knowing.

Natalie Silvanovich, a security researcher at Google Project Zero, discovered the vulnerability, which she said existed in the app’s implementation of WebRTC, a protocol used to make audio and video calls by “exchanging a series of thrift messages between the callee and caller,” she explained a description posted online.

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