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WhatsApp protects the security and privacy of its users and supports end-to-end encryption, the system where only communicating users can read messages. However, this security measure will not help if a person has physical access to your smartphone.
Although most smartphones have password lock function, it is possible to apply Extra protection directly to the application.
In early February, WhatsApp introduced a new feature to protect access to the application with Touch ID or Face ID, depending on the model of the device. With this feature, the email application can only be opened after successfully identifying your facial features or entering your fingerprint.
To activate the function, you must open "Configuration", then "Account", "Privacy" and finally "Lock screen". In addition, you can choose the frequency of identification of the application: immediately, every minute, every 15 minutes or after one hour.
However, it must be taken into account that the aforementioned functionality does not hide push notifications if they are not configured as private.
Unlike iOS, there is still no biometric lock or native password for WhatsApp on Android. However, several devices include security tools that can serve as password locks for the application.
In particular, the installation of WhatsApp in the secure folder of Samsung on compatible devices will block the application with the help of a password or a biometric lock , protected by the manufacturer's security system: Knox. Some Huawei smartphones also incorporate a native "app" blocking application to protect your data in the same way.
Other users of this operating system can rely on third-party applications, such as Security Master or Norton App Lock.
At the same time, the WaBetaInfo portal had revealed earlier this year that WhatsApp was developing a new feature to protect fingerprint discussions in the Android device version.
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