Will use WhatsApp web or desktop version it’s a hand on the wheel. In these media, it is easier to interact with your contacts. The problem is, if you walk away from your computer without locking it, anyone can access your conversations. But that should change soon. WhatsApp prepares a password protection for these types of access.
It makes sense. To access WhatsApp in the browser, you need to open the application on your cell phone and, with it, scan a QR code on the WhatsApp page. whatsapp web🇧🇷 But, so that you don’t have to do this procedure every time you access it, the service keeps your session active, even when the browser is closed.
That’s where the danger lies. If someone reopens WhatsApp Web on your computer, all of your conversations will appear for that person. This is not a problem if only you access the machine. But the situation changes on an office computer, for example.
According to WABetaInfoa vehicle specializing in discovering future WhatsApp features, the service prepares a lock screen against unauthorized access to the web and desktop versions.
With this feature, the user will simply have to enter a password every time he opens WhatsApp Web or Desktop. It’s additional work. On the other hand, this is better than reading a QR code on every new login.
The user-defined password is saved locally. This means that the combination will not work if the session is terminated or accessed from another computer.
It just wasn’t clear if the lock screen can be activated at any time by the user or if it will come into action after a certain period of time.
If none of that pleases you, that’s fine. When available, the password for WhatsApp Web or Desktop will be optional.

The new feature is under development, which is why there is still no date for its release. But know that it’s already possible secure WhatsApp Web via WA Web Plus extension🇧🇷
Also know that you can activate similar protection on your cell phone. On iPhone, WhatsApp can be configured to require Touch ID or Face ID🇧🇷 On Android, it is possible activate biometrics for the same purpose (via fingerprint or facial recognition).
https://tecnoblog.net/noticias/2022/11/21/whatsapp-prepara-tela-de-bloqueio-com-senha-nas-versoes-web-e-desktop/