WhatsApp Chat Lock adds extra privacy by securing individual chats with fingerprint, Face ID, or PIN on Android and iPhone.

Abstract: This communication proposes a radiation pattern reconfigurable circularly polarized antenna based on liquid dielectric. The antenna consists of a circularly polarized feeding antenna and a 3 ...

Abstract: The Android Lock Pattern is a popular authentication technique because of its simplicity, ease, and security. Nonetheless, this authentication mechanism is vulnerable to several attacks ...