End to end encryption of Whats App ensures that only you and the person you are interacting with can read the message and no one, not even Whats App. Your messages are protected by special locks, and only the recipients and you have the key to that lock so that the messages can be opened and read. For added security, each message you send has a unique lock and key. All of this happens automatically: you don't have to turn on settings or set up special confidential chats to secure your messages.
What is the "Verify Security Code" screen on the contact information screen?
Each of your chats has its own security code, which is used to verify that the messages and calls you send in that chat are encrypted from beginning to end.
Please note: The verification process is not required and is used only to confirm whether the messages you send are encrypted from beginning to end.
This code can be seen as a QR code and a 60-digit number on the "Contact Information Screen". Each chat has its own separate code and each chat can be mixed between people to verify whether the messages you send in the chat are encrypted from beginning to end. The security code is the form of this special key visible to both of you - don't worry, it is not the real key, the real key is always kept confidential.
- To verify that the chat is encrypted from beginning to end
- Open chat
- Tap on the contact's name to open the "Contact Information" screen.
- Tap on encryption to see the QR code and 60-digit number.
If you and your contact are sitting next to each other, either of you can scan each other's QR code or mix the 60-digit number yourself. If you scan the QR code and the code is being found, you will see a green check mark. Since codes are being received, you can definitely assume that no one is reading or listening to your calls and your message in between.
If the code is not found, you may be scanning the code of another contact or phone number. If your contact has recently reinstalled Whats App or changed their phone, we recommend refreshing the code by sending them a new message and then scanning the code.
Learn more in our FAQ about changing security codes.
If you and your contact are away from each other, you can send them a 60-digit number. Tell your contact that after receiving the code they write it somewhere and then match it to the 60-digit number that appears in the "Contact Information" screen under encryption. On Android, iPhone and Windows Phone, you can use the Verify Security Code button to send a 60-digit number from SMS, email, etc. Share from the screen.
Are messages and calls sent to the business encrypted from beginning to end?
All messages and calls from Whats App are protected from encryption from beginning to end. It is also important to remember that when you contact a business, many people of that business can see your message. The business may appoint another company to read, store or reply to your messages.
It is the responsibility of the business you interact with to use your messages according to their privacy policy. For more information, please contact the business directly. To learn more, read our general question about end-to-end encryption for business messages.
Why does Whats App have an end-to-end encryption feature and how does it protect people?
Your safety is first for Whats App. We started encryption for all messages and calls from beginning to end in 2016 so that no one can see the conversations inside your message, neither do we. Since then, digital security has become even more important. We have heard and seen many stories where hackers steal private data illegally and use technology wrongly to harm people with stolen information. That is why we have brought features like "video calling" and "status". We have extended these features to encryption from beginning to end.
Whats App cannot see your messages nor listen to calls. This is because the encryption and decryption of messages is done only by your phone. As soon as you send a message from your phone, it is first secured with a cryptographic lock and only the recipient has the key. The keys vary with each message. We do not see all this happening in front of our eyes. You can find that your conversation is safe by looking at the security verification code on your phone. You can learn more about how this works in our white paper.
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