How to enable the "absolutely hide messages" feature on Zalo and Messenger
Zalo and Messenger both have end-to-end encryption that keeps your messages completely protected, even the provider can't read them.
Báo Khoa học và Đời sống•11/10/2025
In the digital age, the risk of having your private messages read on Zalo or Messenger is increasing. The safest solution is to enable the End-to-End Encryption feature available on these two apps.
On Zalo, users need to manually enable it for each conversation by going to the menu, selecting “End-to-end encryption” and activating it. (Photo: Taimienphi.vn) Once enabled, the conversation will have a lock icon, ensuring that only you and the recipient can read the message. (Photo: Taimienphi.vn)
As for Messenger, users go to Settings > Privacy & safety > End-to-end encrypted chats > Secure storage to enable. Messenger will ask you to create a 6-digit PIN to protect your entire chat history in the cloud. End-to-end encryption works like locking a message in a “safe” box with only the sender and recipient having the key.
Don't forget to remember your PIN code because once you forget it, even Messenger can't help you open this "iron box" again. (Photo: Taimienphi.vn) Dear readers, please watch more videos : Iris scanning tool to verify human | VTV24
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