A hacker has posted the phone numbers and sensitive account details of nearly 533 million Facebook users including over 61 lakh Indian users which has been dumped on a public cybercrime forum.

The leaked data includes Facebook ID numbers, profile names, email addresses, location information, gender details, job data, and other details.

“All 533,000,000 Facebook records were just leaked for free. This implies that if you have a Facebook account, it is extremely likely the phone number used for the account was leaked,” tweeted Alon Gal, CTO of security firm Hudson Rock.

 “This is old data that was previously reported on in 2019. We found and fixed this issue in August 2019,” a Facebook spokesperson was quoted as saying in the report late Saturday. With the data now entering the public domain, there is a real danger.

As Cambridge Analytics still haunts about 87 million users, including over 5 lakh users from India, this has come as the biggest ever leak of a social media platform that has billions of users.

In January this year, reports first surfaced that the phone numbers of 533 million users were currently being sold via a bot on encrypted messaging platform Telegram, which came from a Facebook vulnerability that was patched by the social network in 2019.

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