Meta has started rolling out end-to-end encryption on Messenger and Facebook, a move that ensures the company can't access the contents of user messages. This change, built on the Signal protocol and Meta's Labyrinth …

The rollout had been anticipated since 2019, when Meta CEO Mark Zuckerberg first flagged the plan. However, the launch was delayed due to concerns that end-to-end encryption would hinder Meta's ability to detect child…

The company worked closely with outside experts, academics, and governments to identify risks and build mitigations. The rollout will take months to complete, affecting over 1 billion users. Users will be prompted to …

When a user sends a message on Messenger, the message is encrypted on the user's device before it's transmitted to Meta's servers. This means that even if Meta's servers are compromised, the encrypted messages will re…