Unprotected databases are behind a leak that exposed information, including unique identifiers and phone numbers, on more than 419 million Facebook users – 133 million of those records belonging to users in the U.S.
Security researcher Sanyam Jain, a GDI Foundation member, discovered the databases, which were not password-protected. The records were apparently scraped from the social media platform more than a year ago before the company "made changes last year to remove people's ability to find others using their phone numbers," a TechCrunch report cited a Facebook spokesman as saying.
“Think hard before giving your phone number to any social networking business – they are in the business of aggregating and monetizing consumer data,” warned Lucy Security CEO Colin Bastable. “And the phone number can be used to compromise your account. Online businesses often ask for the number “in case you need to recover access to your account.”
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