The database was discovered by researcher Chris Vickery,
who shared his findings with Databreaches.net. The two attempted to locate the owner of the database based on the records it housed and other details. However, their attempts didn't pan out, so they came to Salted Hash for assistance.
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The database contains a voter's full name (first, middle, last), their home address, mailing address, a unique voter ID, state voter ID, gender, date of birth, date of registration, phone number, a yes/no field for if the number is on the national do-not-call list, political affiliation, and a detailed voting history since 2000. In addition, the database contains fields for voter prediction scores.
All voter information, except for a few elements protected by law in some states, is public record. For example, in Ohio, voter records are posted online. Other states make obtaining voter records a bit more challenging or outright expensive, but they're still available. For the most part, voter data is restricted to non-commercial purposes.
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The database discovered by Vickery doesn't contain Social Security Numbers or driver license numbers, but it's still a massive collection of data.