Wisconsin Department of Revenue
Disclosed Jan 1, 200719 years ago171,000 affectedUnverified
SSNs printed on tax booklets mailed to 171,000 Wisconsin taxpayers
Printer Ripon Printers inadvertently printed Social Security numbers on the front of Form 1 tax booklets mailed to about 171,000 Wisconsin taxpayers.
What is known
| People affected | 171,000 (as reported by the organization) |
|---|---|
| Disclosed | Jan 1, 2007 |
| Attack | Vendor breach |
| Data exposed | Social Security numbers |
| Sector | Government · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
| Source | |
|---|---|
| Privacy Rights Clearinghouse: A Chronology of Data Breaches (archived December 2008)web.archive.org · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Jan 1, 2007 | 171,000 |
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.