independent verification of a correspondent’s identity.no provider access to the key communication encrypted with.What also distinguishes it from other chat apps is that its source code is available on GitHub for anyone who wants to examine it or check for security flaws.īut what does it exactly mean to be secure? According to the Electronic Frontier Foundation (EFF), there are seven criteria to assess how secure a chat app is. It uses end-to-end encrypted messaging protocols ( Curve25519, AES-256, and HMAC-SHA256) to protect communication and make sure that no MITM (man-in-the-middle) attack will occur. So what is Signal and what makes it the safest messaging app ever? Signal private messenger was built on the basis of the existing RedPhone and TextSecure applications and was launched in March 2015 by Open Whisper Systems. Magic inside Signal or what makes it special And this is where such apps like Signal come under the spotlight.

Thus, the question of data security is becoming even more tangible. There is one issue though: just like in ancient times when a pigeon could get into the wrong hands, sensitive user data can be stolen or, even worse, used by blackmailers or made public. It has become an integral part of almost everyone’s daily life, so now there is hardly a person who is not using messengers or hasn’t heard about them. Times of sending homing pigeons and waiting for weeks or even months to receive letters are over and everyone is enjoying the convenience of instant messaging.

Messaging signal