In 2020, the company released a face blurring tool to protect the identities’ of protestors in the marches against racism and police brutality. Of course, encryption isn’t the only privacy tool in Signal’s arsenal. Signal’s encryption, in particular, is powered by the app’s own open source Signal Protocol and adds an additional layer of security to almost every communication you hold over the app, from one-on-one messages and group chats to voice calls, video calls and even stickers. Signal’s privacy-first approach has earned the praise of whistleblowers, privacy advocates, journalists and high-profile tech moguls over the years and made it an easy go-to when organising protests and passing on sensitive information.Īrguably the most important privacy tool on Signal is end-to-end encryption.
Signal is often considered one of the most privacy-focussed messaging services in Apple and Google’s app stores, but how safe is it really? We reached out to 5 security experts to learn more about Signal and your data.
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