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- Turn chat lock on or off | WhatsApp Help Center
You can turn chat lock on or off for any chat, including group chats and muted chats If you don’t have device authentication turned on, you’ll be prompted to turn it on before locking a chat
- How to use app lock | WhatsApp Help Center
As an additional security measure, you can turn on app lock on WhatsApp Web When app lock is turned on, you'll need to enter your password to unlock WhatsApp Web Your message contents will be secure when the app is locked Notifications will not appear when your app is locked
- 5 Tips to keep your WhatsApp account safe and secure
When you turn chat lock on, no one else in the chat is notified—and the chat will automatically close when you lock your device You can also create a secret code, view your locked chats folder and hide locked chats
- How to keep your groups and community safe - WhatsApp
End-to-end encryption: WhatsApp protects your personal messages with end-to-end encryption No one outside of the chat, not even WhatsApp, can read, listen to, or share them
- Protecting users from spyware | WhatsApp Help Center
We recommend all users take advantage of WhatsApp’s Privacy Checkup, which provides step-by-step guidance to help strengthen the security of your account and customize your privacy settings You might also consider taking advantage of similar tools made available by other commonly used apps
- How to change group admin settings | WhatsApp Help Center
Open the WhatsApp group chat, then click the group name Click Group settings Choose to turn on Add other members When turned on, all members can add other members to the group When turned off, only admins can add other members to the group
- How to block and report someone | WhatsApp Help Center
As an advanced security measure, you can block high volumes of unknown messages to help protect your account and improve device performance Learn how to block unknown account messages
- How to change your privacy settings | WhatsApp Help Center
Advanced settings, such as how to protect your IP address in calls, disable link previews, and the ability to block high volumes of unknown messages from unknown accounts
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