TrueCaller Application Announcement
The TrueCaller application which is a dial-up , SMS sender and custom call blocker application that provides advanced features than regular apps. Like other applications such as Holla, Number Book Social, Contactive, etc, this kind of apps has a strong database of mobile subscribers informations (name of the subscribers, phone numbers, pictures, …) .
When users install the app, It backups the user's phonebooks and sends it to its database though its database fills more and more.
Other features of the app include blocking a subscriber and spamming messages.
Recently on 2017, TrueCaller provides new features such as Availibility which also displays the user's Last Seen status.
MCI CERT warns about lack of user's information by the application and the break up of the subscriber's privacy.