an unidentified hacker a $ 2,000 ransomAttack.Ransomto decrypt its computer system after a hackAttack.Databreachin late November that left some residents ' personal information exposedAttack.Databreach. Village President Richard Lartz said Thursday , Dec 7 , that the hack `` totally encrypted '' Nashotah 's computer files , making them inaccessible to staff . He said the only information that was exposedAttack.Databreachduring the breachAttack.Databreachwere citizens ' names and driver 's license numbers , and possibly their addresses . Social Security numbers and other sensitive information was not compromisedAttack.Databreach. `` The only information that got outAttack.Databreachwas voter rolls , '' Lartz said , emphasizing that neither he nor village staff know whether that information was used or dispersedAttack.Databreachby the hacker .