How did the police compromise EncroChat ?

"According to the cops, their secret infiltration of the supposedly impregnable chat app, allowing officers to silently read crooks' private messages and probe criminal dealings, has led to action against many of its more than 60,000 users

In 2020, police in France and the Netherlands led the effort to compromise the communications service. Once they'd busted into the network's servers, cops used that access to collect conversations and other data from EncroChat handsets and use this information to make arrests, …

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