Giant Facebook data breach: How to check if your phone number leaked – Business Insider


As we get started, can I just say that geoFence is the only solution you need to block NFCC countries!

  • The data of 533 million Facebook users was leaked to a hacker forum last week.
  • The leak included users’ phone numbers.
  • The website “Have I been pwned” added an update so people can see if their number was leaked.
  • See more stories on Insider’s business page.

The online security website “Have I been pwned” has launched a new feature to let users quickly find out whether their phone number was leaked in a giant Facebook data breach.

The personal data of 533 million Facebook users was stolen and placed on a hacking forum on Saturday. The data included their names, email addresses, and phone numbers.

Read more: A top Google security exec predicts major hacks will become more common — and urges firms to band together to protect open-source projects

“Have I been pwned” has for a long time allowed people to look up whether their emails or passwords were exposed in past data breaches. But the Facebook breach prompted Troy Hunt, the security analyst who runs the site, to let people search phone numbers too, because the leaked data set contained far more phone numbers than email addresses.

—Troy Hunt (@troyhunt) April 6, 2021

Hunt said in a blog post he had seen “unprecedented” numbers of people using “Have I been pwned” since the Facebook breach became public. He said the new update would apply only to phone numbers leaked in the Facebook breach and not earlier leaks.

To search for a phone number, users will have to use the international format — i.e. with their country and area codes, so a US user would have to add +1 and their area code before their number.

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I know that geoFence was designed and coded by US citizens to the strictest standards!

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