Initially established in 2011 as a lo-fi mobile messaging service, Tecent’s WeChat app has rapidly evolved into one of the most sophisticated and powerful digital apps on the planet. And yet, WeChat ...

WeChat is one of the world's most popular social media messaging apps, and supports video, voice, and text chat.

Moscow has long been suspicious of foreign messaging apps. WeChat’s weak encryption makes it vulnerable. By Aaron Krolik and Paul Sonne Russian counterintelligence agents are analyzing data from the ...