DisclosureLens
HackingCustomer Data InvolvedIdentity (basic)Government IDHigh

City of Quincy, Illinois

bd_8742e6fd61793c2e · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 7, 2022

Filed

Sep 19, 2022

To disclose

12 days

Affected · nationwide

36,0801 in this filing

Linked

2 filings

Confidence

50%
Full breach record for City of Quincy, Illinois →

The City of Quincy, Illinois, a government entity, experienced an external system breach on April 27, 2022, which was discovered on September 7, 2022. The breach compromised names and Social Security numbers. Notification was sent to affected individuals on September 19, 2022. The incident affected 36,080 people in total, including one resident of Maine. The city offered 12 months of credit monitoring and identity restoration services through Experian.

Maine clockDiscovered Sep 7, 2022 → Filed with AG Sep 19, 202212d ✓ ME AG ≤30d12 days discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 133 days
discovery → filing · 12 days

Apr 27, 2022

Begins

Sep 7, 2022

Discovered

Sep 19, 2022

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Indiana State AGSep 19 · first
Maine State AGSep 19 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.