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Equifax compromised 143 million people's Social Security numbers and other data

Equifax compromised 143 million people's Social Security numbers and other data

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Some driver's license numbers were stolen, too

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Illustration by Alex Castro / The Verge

Equifax announced today that 143 million US-based users had their personal information compromised this year. Attackers reportedly exploited a vulnerability on Equifax's website to steal names, Social Security numbers, birthdates, addresses, and, in some cases, driver’s license numbers. Credit card numbers for approximately 209,000 people and certain dispute documents with personal identifying information for approximately 182,000 people were also accessed. Although Equifax operates in other countries, it didn't detect any stolen personal information abroad.

The company says it discovered the breach on July 29th this year, and has since plugged the security hole. The company also set up a dedicated website — www.equifaxsecurity2017.com — for possible victims to sign up for credit file monitoring and identity theft protection.

Data breaches are fairly common, although those impacting Social Security and driver's license numbers are rarer and more serious. The fact that Social Security numbers are included in the breach makes it likely that victims will be targeted for identity theft. Equifax says it's working with both an independent cybersecurity firm and law enforcement to investigate.