Facebook introduces a groundbreaking feature ensuring message security, bid farewell to concerns about message interception.

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Ngày cập nhật gần nhất: 15/4/2026

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(Homeland) - Meta implements full end-to-end encryption for Facebook Messenger, a new PIN code is required to access messages.

Recently, Meta has sent notifications to Messenger users, urging them to complete the mandatory setup process when accessing this chat application.

Specifically, users are required to create a 6-character PIN code to complete the setup. This PIN code will be used to restore chats when users log in on a new device.

Meta stated that this is part of Messenger's security upgrade and the end-to-end encryption feature will be applied to this messaging app in the near future to ensure the safety of messages and data on this platform.

End-to-end encrypted messages have been undergoing testing by Meta since 2022 and this feature is soon to be rolled out to all users.

To enable end-to-end encryption feature in Messenger, users select the toolbar at the top left corner of the screen > choose Settings > Select Privacy & Security > App Lock > Enable.

Once the feature is enabled, upon entering the Messenger app, a notification will appear requesting users to enter the PIN or FaceID to access the app.

In the near future, Meta plans to continue enhancing security for Messenger.

The implementation of this feature will not significantly impact user experience, but it will enhance security, including privacy.

Frequently Asked Questions

What steps do I need to take to set up end-to-end encryption on Messenger?

To set up end-to-end encryption on Messenger, start by tapping the toolbar at the top left corner of the screen. Then, select 'Settings,' followed by 'Privacy & Security,' and finally 'App Lock.' Enable the app lock feature and create a 6-character PIN code. This PIN will be required for accessing your chats, enhancing your messaging security.

Is a PIN code necessary for accessing Facebook Messenger with encryption enabled?

Yes, a PIN code is necessary to access Facebook Messenger once end-to-end encryption is enabled. This 6-character PIN code is crucial for restoring chats on a new device and adds an extra layer of security to your messaging experience.

How does end-to-end encryption enhance security for Messenger users?

End-to-end encryption significantly enhances security for Messenger users by ensuring that only the sender and recipient can read the messages. This means that even Meta cannot access the content of these messages, protecting user privacy and sensitive information from potential breaches.

What notification will I receive after enabling app lock on Messenger?

After enabling app lock on Messenger, you will receive a notification prompting you to enter your newly created PIN or use FaceID to access the app. This measure ensures that unauthorized users cannot access your messages, reinforcing your security.

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