Antigo Construction, Inc. data breach
Antigo Construction, Inc. appears in 1 breach notice filed with Montana DOJ, most recently reported on October 31, 2025.
Claim by Dec 24, 2026 · 56 days left
Who qualifies: People whose information may have been accessed in the June 2025 data breach at Antigo Construction and related companies. Do I qualify?
File a claim on the official site ↗ Settlement detailsBreach notices filed with regulators
| Reported | Filed with | Breach date(s) | People affected | Data involved | Source |
|---|---|---|---|---|---|
| Oct 31, 2025 | Montana DOJ | Jun 1, 2025 – Jun 11, 2025 | 4 Montana residents | Not listed | Notice ↗ |
Each row is a notice as published by the agency. For state lists, the number affected counts only that state's residents; HHS lists the total reported. SEC rows are Form 8-K Item 1.05 filings, which usually don't give a count. A notice does not mean a settlement exists, and a settlement may cover a different incident than a given notice.
What you can do now
- Read the notice letter if you got one. It says what data was involved and may offer free credit monitoring with an enrollment deadline.
- Consider a free credit freeze at Equifax, Experian and TransUnion, especially if your Social Security number was involved.
- Change reused passwords and turn on two-factor authentication.
- Watch your bank, card and insurance statements for activity you don't recognize.
Follow Antigo Construction, Inc.
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