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What caused the data leak of Facebook’s 500 million users?



Since Saturday Huge amounts of Facebook data have been made public, spreading information from approximately 533 million Facebook users across the Internet. The information includes things like your profile name, number, Facebook ID, email address, and phone number. It is all information that may have been leaked or copied from other sources. But it’s also another resource that ties it all together and with individual victims, offering tidy profiles for scammers, phishers and spammers on Facebook. Silver LP.

Facebook’s initial response was only information that was previously reported in 2019, and the company fixed the vulnerability in August of that year, Old News.But looking closely at where this information came from, it created a darker picture. very In fact, the information, which first appeared on the criminal̵

7;s dark web in 2019, came from a breach that Facebook did not disclose any important details at the time and was fully acknowledged by Tuesday evening in a blog post. It is owned by Product Executive Director Mike Clark.

One source of confusion is that Facebook has a large number of violations and disclosures, possibly due to this data, 540 million statistics, including Facebook IDs, comments, likes and reaction information disclosed by third parties. And revealed by security firm UpGuard in April 2019? Or is it a record of 419 million Facebook users, including hundreds of millions of phone numbers, names and Facebook IDs that were scraped from the social network by ill-wishers? Before Facebook’s 2018 policy change, which was made public and reported by TechCrunch in September 2019? Was it involved in the 2018 Cambridge Analytica third-party data sharing scandal? Or was it related to the massive 2018 Facebook data breach that destroyed most of the access tokens and personal data from people? Used by about 30 million people?

In fact, the answer doesn’t seem like a single one, as Facebook explains in a background comment by WIRED and on Tuesday’s blog recently, 533 million public data is a completely different set of data. Completely the attackers made using a bug in Facebook’s address book import feature, Facebook said it fixed the vulnerability in August 2019, but it was unclear before that the bug was exploited. How many times Data from more than 500 million Facebook users in more than 106 countries includes Facebook IDs, phone numbers and other information about early Facebook users such as Mark Zuckerburg and US Secretary of Transportation Pete Buttigieg, as well as the EU Commission for Defense. Other victims didier Reynders information, including 61 on the “Federal Trade Commission” list and 651 on the “Federal Trade Commission” list. “Attorney General” in detail on Facebook.

You can check if your phone number or email address has been exposed in the leak by investigating. HaveIBeenPwned Abuse tracking websites For the service, founder Troy Hunt reconciled and imported two different versions of the dataset floating around.

“When there was a vacuum from the organization involved, everyone was guessing and confusing,” Hunt said.

Facebook, closest to acknowledging the source of this abuse, was previously a comment in a fall 2019 news article that September. Forbes Reported on the vulnerability involved in Instagram’s mechanism for importing contacts. The Instagram error revealed the username, phone number, Instagram handle and account ID number at the time, Facebook told researchers who disclosed the flaw that Facebook’s security team “was aware of the issue due to internal findings. “The spokesperson said. Forbes At the time, “We switched contact importers on Instagram to help prevent potential abuse. We are grateful to the researchers who raised this issue. ” Forbes It was stated in a September 2019 story that there was no evidence that the vulnerability had been exploited. But there is no evidence that it never had been


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