TrueCaller Mobile App??

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Have your heard about truecaller mobile app? Essentially, it is phone book manager app on nearly all mobile platforms including iOS, Android, Blackberry, Nokia & Windows. When the mobile user installs the app, all their phone book contacts are pulled to the centralized server. The app’s database, essentially, is a giant, collective phone book.

Truecaller then allows users to search for the user based on his / her mobile number. According to a report in ET, mobile numbers of nearly every Indian Cabinet minister, heads of intelligence agencies such as the Intelligence Bureau and Department of Revenue Intelligence, and CEOs of India’s largest companies are all on the database.

Truecaller has its biggest customer base in India with 1.6 million users. Even if one assumes that each user has an average of 100 mobile numbers stored, over 160 million mobile numbers with names are stored in Truecaller’s database.

This is definitely a security breach, as names and mobile numbers of people are getting saved without their knowledge!

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