Official register
Data breaches reported to Wisconsin’s consumer protection department (DATCP)
Wisconsin’s Department of Agriculture, Trade and Consumer Protection lists the breaches reported to it. The tracker has read 22 of its notices since 22 September 2023. Each links to the company’s page, with everything else known about the breach. The register itself .
Last 30 days 0
2026 so far 3
On the tracker 22
Breach to notice, median 67 days
0 1 2 3 Nov 23: 0 notices Dec 23: 0 notices Jan 24: 0 notices Feb 24: 1 notices Mar 24: 1 notices Apr 24: 0 notices May 24: 1 notices Jun 24: 2 notices Jul 24: 3 notices Aug 24: 1 notices Sept 24: 1 notices Oct 24: 0 notices Nov 24: 0 notices Dec 24: 0 notices Jan 25: 3 notices Feb 25: 0 notices Mar 25: 0 notices Apr 25: 1 notices May 25: 0 notices Jun 25: 0 notices Jul 25: 0 notices Aug 25: 1 notices Sept 25: 0 notices Oct 25: 1 notices Nov 25: 2 notices Dec 25: 0 notices Jan 26: 0 notices Feb 26: 1 notices Mar 26: 0 notices Apr 26: 0 notices May 26: 1 notices Jun 26: 1 notices Jul 26: 0 notices Aug 26: 0 notices Sept 26: 0 notices Oct 26: 0 notices so far Nov 23 Jan 24 Jan 25 Jan 26
Notices to Wisconsin’s consumer protection department (DATCP) per month, last 3 years. The last bar is the month so far.
Time from the start of a breach to the notice: the median over the 20 notices that give both dates.
The largest notices Notice Organisation Affected
22 September 2023 Navvis & Company 316,043 Wisconsin residents
21 November 2025 700Credit, LLC 87,947 Wisconsin residents
26 August 2025 TransUnion LLC 69,256 Wisconsin residents
21 November 2025 University of Phoenix, Inc. 14,095 Wisconsin residents
30 June 2026 Wisconsin Department of Health Services 8,157 Wisconsin residents
12 August 2024 National Public Data 6,410 Wisconsin residents
20 September 2024 Insurance Agency Marketing Services, Inc 2,045 Wisconsin residents
13 June 2024 Power Test LLC 975 Wisconsin residents
24 July 2024 Compex Legal Services 109 Wisconsin residents
24 July 2024 Compex Legal Services Inc. 109 Wisconsin residents
The latest notices
By year: 2026 · 2025 · 2024 · 2023
Notice Organisation Affected
30 June 2026 Wisconsin Department of Health Services 8,157 Wisconsin residents
7 May 2026 Instructure, Inc. not given
26 February 2026 Melzer's Fuel Service, Inc. 1 Wisconsin residents
21 November 2025 700Credit, LLC 87,947 Wisconsin residents
21 November 2025 University of Phoenix, Inc. 14,095 Wisconsin residents
3 October 2025 5CA (a third-party service provider for Discord) not given
26 August 2025 TransUnion LLC 69,256 Wisconsin residents
25 April 2025 Engelson & Associates, Ltd. not given
22 January 2025 Conduent Business Services, LLC not given
7 January 2025 PowerSchool Group LLC not given
6 January 2025 Green Bay Packers, Inc. not given
20 September 2024 Insurance Agency Marketing Services, Inc 2,045 Wisconsin residents
12 August 2024 National Public Data 6,410 Wisconsin residents
24 July 2024 Compex Legal Services 109 Wisconsin residents
24 July 2024 Compex Legal Services Inc. 109 Wisconsin residents
12 July 2024 First Choice Dental not given
20 June 2024 Change Healthcare (CHC) a unit of UnitedHealthcare Group (UHG) not given
13 June 2024 Power Test LLC 975 Wisconsin residents
9 May 2024 Ascension not given
30 March 2024 AT&T Inc. not given
9 February 2024 Group Health Cooperative of South Central Wisconsin (GHC-SCW) not given
22 September 2023 Navvis & Company 316,043 Wisconsin residents