Facebook: Millions of accounts phone numbers leaked

Millions of phone numbers associated with Facebook accounts were found exposed online, stored in a database that was not protected by any password Phone numbers on Facebook? Lots. A database that would envy any multinational company. Beyond the fact that the telephone numbers are directly connected to the account of a registered person and therefore to the name of the same, this database has proved to be violable. And in fact hundreds of millions of Facebook phone numbers have been found online. The exposed server contained over 419 million records. A database that was not protected by any password, therefore potentially accessible by anyone. To verify it and make it public Techcrunch. Each number in the list contained a specific Facebook ID and the phone number was linked to that account. The Facebook ID of a user is normally composed of a long public number that is related to the account and for this reason it can easily be used to discover the identity and username of an account. However, the phone numbers on Facebook are no longer public for more than a year, since Facebook has restricted access to account telephone numbers.

Phone numbers on Facebook, the revelation

On the hot issue of phone numbers on Facebook, TechCunch was able to check a number of registered databases by linking a user’s phone number to the Facebook ID on public lists. Other lists were also checked by comparing phone numbers with the password reset option, which can be partially used to trace the phone number connected to a given account. Some lists also included the user name, gender and country of origin.   An accident that, writes journalist Zack Whittaker, has put millions of people at risk, making them a potential target of spam phone calls and sim swapping attacks, that is attacks that exploit the phone number of the legitimate owner of a sim card to violate online services that use the phone number as an authentication system.

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