When you’re on the app store or Google Play, look for apps that use something called off-the-record messaging, or OTR. It is a higher-standard end-to-end encryption protocol used for text messages, and it can be found in a number of products.20 Your ideal text message app should also include perfect forward secrecy (PFS). Remember that this employs a randomly generated session key that is designed to be resilient in the future. That means if one key is compromised, it can’t be used to read your future text messages.
