Both Signal and WhatsApp are encrypted, but Signal takes extra steps to keep your chats private.

Earlier this year, Open Whisper Systems was served with a federal subpoena for records on its users, according to documents published today. Prosecutors were seeking data on two suspects who used...

Bruxelles recommande à son personnel d'utiliser la messagerie Signal pour discuter avec des personnes extérieures à l'institution, afin de relever le niveau de sécurité des communications. Les échanges très sensibles en revanche continuent de passer par des canaux dédiés.

WebRTC DNS lookups exploited in clever hack

We’ve designed the Signal service to minimize the data we retain about Signal users, so the only information we can produce in response to a request like this is the date and time a user registered with Signal and the last date of a user’s connectivity to the Signal service.

Notably, things we don’t have stored include anything about a user’s contacts (such as the contacts themselves, a hash of the contacts, any other derivative contact information), anything about a user’s groups (such as how many groups a user is in, which groups a user is in, the membership lists of a user’s groups), or any records of who a user has been communicating with.

All message contents are end-to-end encrypted, so we don’t have that information either.

Signal decouples its secure messaging service from your phone number – a bit.

Could this smart new Signal feature be enough to make you ditch WhatsApp?

The privacy-first messaging app recently rolled out an opt-out feature that was criticized by security experts and panned by users.

Last update: May 22, 2020
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Introduction
This article analyses the security and confidentiality features of the most commonly used communication services or applications.
Note: the comparison is made between WhatsApp (the most widespread 1.6 billion users), Telegram (the most secure and widespread 400 million users), Signal and Wire (the most secure and confidential) according to world statistics. A comparison in terms of functionality is available at this address.
Remark: for any communication…

WhatsApp, Signal e Telegram promettono tutte la stessa cosa: comunicazioni sicure. Ma ci possiamo fidare?