Wisconsin Department of Revenue



Location

Madison, WI
United States
43° 4' 22.9872" N, 89° 24' 4.428" W
Date Breach Made Public: 
July 24, 2012
geo: 
Madison, WI
United States
Records Breached: 

110,795

An annual sales report contained the Social Security and tax identification numbers of people and businesses who sold property in Wisconsin in 2011.  The report was available online between April 5, 2012 and July 23, 2012 and meant for real estate professionals.  The report was accessed a total of 138 times before being taken down.  Sensitive seller information was in an an embedded file included in an Microsoft Access file which showed sales data. A total of 110,795 sales were made in Wisconsin in 2011, but not everyone who made a sale provided their Social Security or tax identification number for the paperwork.

Source: 
Media
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