![]() ![]() Known for its end-to-end encryption and independent structure as a non-profit organization run by a foundation - not a big tech company - Signal has previously been the communication method of choice for activists, people in the hacker community, and others concerned about privacy. Now, the app is used by over 40 million people (opens in a new tab). The secure messaging app Signal has been around for years but, in 2021, it saw a huge spike in users after a heightened awareness of the need for privacy.
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