If you've ever wondered how secure the apps you use to communicate are, the EFF has a handy report card that measures their security in various ways.

Secure Messaging Scorecard | Electronic Frontier Foundation
Which apps and tools actually keep your messages safe?In the face of widespread Internet 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 are these systems actually secure? We decided to fi…