Mark Zuckerberg’s cell phone number among 533 million phone numbers and personal data leaked by hackers dailymail.co.uk

Facebook CEO Mark Zuckerberg’s cell phone number is among among the millions of phone numbers and personal data posted online by hackers.

Zuckerberg’s name, location and marriage information, date of birth and Facebook user ID were among the trove of stolen personal data published on a hacker forum on Saturday, cyber researcher Dave Walker confirmed.

Facebook co-founders Chris Hughes and Dustin Moskovitz also had similar personal details included in the leaked data.

Other journalists say they have also been able to match known phone numbers to the details in the data dump.

An attempt by Reuters to reach the leaker over the messaging service Telegram was not immediately successful.

The availability of the data set was first reported by Business Insider. According to the media outlet, it has information from 106 countries including phone numbers, Facebook IDs, full names, locations, birthdates, and email addresses.

Facebook confirmed the report, but said the total number is likely to be around half because of duplicate entries.

Alon Gal, co-founder of Israeli cybercrime intelligence firm Hudson Rock Gal told Reuters that Facebook users should be alert to “social engineering attacks” by people who may have obtained their phone numbers or other private data in the coming months.

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