When we text via Apple’s iMessage, WhatsApp, Signal, or a host of other messaging services, those messages are protected in ways communications across most other platforms are not. The reason is these select app developers use “end-to-end encryption” (or “E2EE”), which encrypts all messages before leaving the sender’s device and can only be decrypted by the recipient’s device. The only way to access and view these messages is by having the sender’s or recipient’s phone...