App Privacy and Controls
Research into privacy, security, and information controls of popular applications.
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Should We Chat, Too? FAQ
Research FAQ for the full report “Should We Chat, Too? Security Analysis of WeChat’s MMTLS Encryption Protocol”
Should We Chat, Too? Security Analysis of WeChat’s MMTLS Encryption Protocol
This report performs the first public analysis of MMTLS, the main network protocol used by WeChat, an app with over one billion users. The report finds that MMTLS is a modified version of TLS, however some of the modifications have introduced cryptographic weaknesses.