City of Sheboygan, Wisconsin
bd_1560bc395c14449a · schema v1 · pii pii-v1
Full breach record for City of Sheboygan, Wisconsin →The City of Sheboygan, Wisconsin notified consumers that their name and Social Security number may have been accessed without authorization on October 31, 2024. The City identified suspicious activity on that date and engaged independent experts. A comprehensive review determined that 67,947 individuals were affected. The City implemented additional technical security measures and offered complimentary identity protection services through Cyberscout.
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Incident timeline
Oct 31, 2024
Begins
Oct 31, 2024
Discovered
May 23, 2025
Filed
vs. sector median
+18 wks slower
Linked disclosures
Why this link?Regulatory filings (7) · sorted by filing gap
- Maine State AGbd_45814e27fc558ab02025-05-23Candidate
- Massachusetts State AGbd_51749ce7285456bf2025-05-23Verified
- Montana State AGbd_c32f4b3a9475c7522025-05-23Candidate
- New Hampshire State AGbd_d14911d9b43d29c82025-05-23Verified
Show 3 more filings ↓Show fewer ↑up to 22d gap
- Indiana State AGbd_e635a31fccfec0df2025-05-23Verified
- Texas State AGbd_c6faf60f6b26bb842025-05-27 · +4dVerified
- Illinois State AGbd_d24f2c0b650a32f32025-05-01 · +22dVerified
Filing propagation · 8 filings · 8 states
View merged incident ↗Pattern: first filing May 1 (IL), last May 27 (TX) — a 26-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.