Phone Number Reputation (“PhoneID Score”) Being Created Based on Two-Factor Authentication

It’s time to worry about your phone number reputation and mobile identity. The company that provides two-factor authentication for the users of sites such as Google and Facebook has been quietly amassing the phone numbers of those users, and is now assigning a phone number reputation, which it calls a PhoneID Score – or your Mobile Identity – to all of those phone numbers being used for two-factor authentication and, it seems, any other phone numbers the data for which they have access.