
Integrity of the system: The infrastructure that the application runs on is trustworthy and messages can be verified to be unaltered.Privacy of your identity: Information which may reveal your true identity is not exposed by using the application.Privacy of your messages: This means that the contents of your encrypted message are safe from being decrypted by anyone who does not have the decryption key, and they are protected from future brute force decryption.This score means the application provides complete or almost complete protection in this category. This score means the application provides protection for many items in this category.


This score means the application provides some protection in this category. This is the lowest score, which means the application does not provide any protection in this category.

Each app may not have all of these characteristics, but the more that the app has of these in the list the better it will score. Here is a list of the criteria I use to pick the best options.
