Secure messaging scorecard
A rather elaborate overview of all those messaging apps out there, presented in a scorecard so you can quickly check which tools actually keep your messages safe (+), and in what way.
Most of the tools that are easy for the general public to use don’t rely on security best practices—including end-to-end encryption and open source code. Messaging tools that are really secure often aren’t easy to use; everyday users may have trouble installing the technology, verifying its authenticity, setting up an account, or may accidentally use it in ways that expose their communications.
The Secure Messaging Scorecard examines dozens of messaging technologies and rates each of them on a range of security best practices. Our campaign is focused on communication technologies — including chat clients, text messaging apps, email applications, and video calling technologies. These are the tools everyday users need to communicate with friends, family members, and colleagues, and we need secure solutions for them.
(+) Updated: Please also check the comments below and do not take that scorecard simply at face value, as the security community has some relevant criticism on it.