Hudson Rock’s Chief Technology Officer Alon Gal said that the leaked data could benefit cybercriminals who use people’s personal information to impersonate them or scam them into handing over login credentials. Facebook apologized for the 2019 data loss, but never directly informed users their accounts had been compromised. We’re focused on protecting people’s data by working to get this data set taken down and will continue to aggressively go after malicious actors who misuse our tools wherever possible.Ĭritics allege that this is nothing more than Facebook’s attempt to downplay the severity of the leak. We have teams across the company working to detect and stop these behaviors. Scraping data using features meant to help people violates our terms. Instead, the attackers scraped the data from its service. The company said that it’s important to mention that attackers did not hack its systems by injecting malicious code that would weaken the company’s security defenses. Facebook said it fixed the contact importer flaw after it discovered it was being exploited. Information on users’ finance and password were not divulged.Īccording to Business Insider, a Facebook spokesperson confirmed that the data had been scraped due to a vulnerability that the company patched in 2019. Threat actors then leaked this data on the dark web. Even Facebook CEO Mark Zuckerberg’s own private credentials were reportedly leaked in the process. The publicly accessible database had personal details of Facebook users with phone numbers, Facebook IDs, full names, locations, birthdates, bios, and, in some cases, email addresses. Private information of users was primarily obtained by exploiting Facebook’s contact importer feature that allows users to find friends on the social media app using their phone’s contact list. What Kind of Data Was Leaked and How Was It Done? Personal data from over 500M Facebook users leaked online by April 3, 2021 Earlier this month, it was revealed that the personal information of 533 million Facebook users, approximately 20% of all accounts, was leaked online.Īlthough the data is 2 years old, the 2021 Facebook data breach is an extremely serious matter, since the leaked data is still valuable to cybercriminals who use people’s personal information to impersonate them or scam them into handing over login credentials.
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