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540 million Facebook records exposed on Amazon servers

  • Researchers from the firm UpGuard said the data, which included usernames and passwords, came from two different Facebook apps that stored their data publicly on Amazon’s cloud services
  • Facebook said the databases have been taken down

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Facebook removed public databases containing its user data on Amazon cloud servers after cybersecurity firm UpGuard discovered millions of exposed records. File photo: Reuters

More than 540 million Facebook records were left exposed on public internet servers, cybersecurity researchers said, in just the latest security black eye for the company.

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Researchers for the firm UpGuard discovered two separate sets of Facebook user data on public Amazon cloud servers, the company detailed in a blog post.

One data set, linked to the Mexican media company Cultura Colectiva, contained more than 540 million records, including comments, likes, reactions, account names, Facebook IDs and more. T

The other set, linked to a defunct Facebook app called At the Pool, was significantly smaller, but contained plaintext passwords for 22,000 users.

The large data set was secured on Wednesday after Bloomberg, which first reported the leak, contacted Facebook.

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The smaller data set was taken offline during UpGuard’s investigation.

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