What is encryption in transit?

Encryption in transit is used when messages are sent not by an individual but through a brand’s platform using an API protocol. As soon as the message is sent (it’s “in transit”), it’s encrypted, and is only decrypted once it reaches the messaging app’s back-end system. The back end then encrypts the messages again before sending it back to the user or service. Encryption in transit provides an exceptionally high level of security for brands who can rest assured their messages are safe from hackers.