Particularly, secure messengers do end-to-end encryption: when you send a message or file, the content is encrypted by the messaging app before leaving your device (e.g. ![]() If you look at the history of cryptography, you will see that it has been used for a long time: the Roman emperor Julius Caesar already used cryptography to communicate with his generals.Įncryption can be used in many different ways. The main method used by messaging apps to ensure users’ privacy is encrypting the contents of messages.Įncryption is a technique that uses mathematics to encode (scramble) the content of a message so that it can only be decoded and read by someone who has certain information, such as a password or encryption key (a kind of a “secret”). All of them are cross-platform and have versions for Linux and Android - the ones I tested - as well as other systems. I searched and tested some privacy-focused instant messengers and compiled this list. If that is your case, then you are going to find here a list of possible alternatives to WhatsApp. You may want to take this time to look for another messenger. The exodus was so large that WhatsApp postponed the change, previously scheduled for February 8, to May 15, 2021, and has resorted to in-app messages to better explain it. It seems the first change has gone unnoticed, but the recent one caused users to shift to other messaging services such as Telegram and Signal. However, since then WhatsApp has already announced two changes to its terms of service and privacy policy, in order to share more and more data with Facebook: one in 2016 and another in this year of 2021. It was speculated that Facebook was interested in WhatsApp for data mining.Īt the time, Facebook promised to keep WhatsApp data private and not share it with other services. ![]() But, on the other hand, that has raised concerns about the privacy and security of conversations.Įspecially after Facebook acquired WhatsApp for $19 billion in 2014, a figure that drew attention, because WhatsApp is a free messaging app with no apparent monetization, such as displaying ads, subscriptions or paid extra features. Many people using the same messenger app may be convenient. Today, the most popular messenger app in the world is WhatsApp, which has more than 2 billion users in over 180 countries.
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