Verifications

DATE : FEBRUARY 2019 NUMBER OF RECORDS COMPROMISED : 763M USERS

. io was a data validation and verification service that helps businesses verify email addresses and other contact information .

The organisation ’ s data breach was first discovered by security researchers Vinny Troia and Bob Diachenko in 2019 . It was revealed that 763 million unique records were exposed on the web , with the vast majority including marketing data on US citizens .

In response , the company shut down its website in March 2019 before closing entirely shortly afterwards .

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