Facebook Testing Default End-to-End Encryption and Encrypted Backup in Messenger

Social media company Meta said it will begin testing end-to-end encryption (E2EE) on its Messenger platform this week for select users as the default option, as the company continues to slowly add security layers to its various chat services.
“If you’re in the test group, some of your most frequent chats may be automatically end-to-end encrypted, which means you won’t have to opt in to the