Department of Revenue Wisconsin

Date Breach Made Public: 
January 15, 2008
Madison , WI
United States
Wisconsin US

Breach locations:   Lena, Marinette, Little Suamico, Freedom, Kaukauna, Kimberly, Little Chute, Krakow, Keshena and Lakewood

Records Breached: 


Breach Total Number: 
5 000
Dataloss DB
Year of Breach: 
Type of organization: 
Type of breach: 

Taxpayers in northeastern Wisconsin had their Social Security numbers exposed in a state mailing. A folding error, apparently the result of a faulty machine, allowed the Social Security numbers to be seen through the clear address window of the envelope.