To lock WhatsApp on Android, launch the app, tap the three-dot menu, navigate to Settings > Privacy > App Lock, and turn on "Unlock With Biometric." To lock WhatsApp ...

In the interests of enhanced privacy, some third-party iOS apps include an option to require passcode or Face ID authentication before they can be opened, even though the iPhone is already unlocked.

One of the handier features on new cars is the ability to remotely unlock and start them. Microsoft is adding the opposite — the ability to remotely lock your PC — to its Windows toolkit. As the site ...

Using incognito mode is one of the most common techniques people use to hide what they are searching for on the internet. This helps users to stay private and browse the web without being tracked by ...