From EFF:
In the face of widespread Internet data collection and surveillance, we need a secure and practical means of talking to each other from our phones and computers. Many companies offer “secure messaging” products – but how can users know if these systems actually secure? The Electronic Frontier Foundation (EFF) released its Secure Messaging Scorecard today, evaluating dozens of messaging technologies on a range of security best practices.
Read more of their press release here.
For the full Secure Messaging Scorecard: https://www.eff.org/secure-messaging-scorecard