HackingGovernmentGovernmentCustomer Data InvolvedTargetedGovernment IDIdentity (basic)CriticalContained

City of Independence, Kansas

bd_cc89688d1918bec6 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Mar 12, 2021

Filed

Jul 16, 2021

To disclose

18 weeks

Affected · nationwide

113,5791 in this filing

Linked

2 filings

Confidence

66%

Full breach record for City of Independence, Kansas →

The City of Independence (Missouri) experienced an external system breach (hacking) between September 7, 2020, and December 1, 2020. The incident was discovered on March 12, 2021, affecting 113,579 individuals. Compromised data included names combined with driver's license numbers. The City notified affected individuals in writing on July 16, 2021, and provided 12 months of credit monitoring and identity protection services through Experian. One Maine resident was affected.

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Maine clockDiscovered Mar 12, 2021 → Filed with AG Jul 16, 2021126d ✗ ME AG >90d18 weeks 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 · 186 days

discovery → filing · 18 weeks / 126 days

Sep 7, 2020

Begins

Mar 12, 2021

Discovered

Jul 16, 2021

Filed

vs. sector median

+7 wks slower

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

Indiana State AGbd_3c9749a1e5e60cc02021-07-16Verified

Name: City of Independence, Kansas
norm: city of independence kansas
Domain: indepmo.org

Name: City of Independence, Kansas
norm: city of independence kansas
Domain: indepmo.org
Industry: Governmentllm

Discovered: Mar 12, 2021
Breach occurred: Sep 7, 2020 – Dec 1, 2020
Undetected for: 186 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 16, 2021
Affected individuals: 113,579state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Driver's licence number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of credit monitoring and identity protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(126 days from discovery to filing)
Compliance flags: ME AG >90d · 126d
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 12, 2021
→ Filed with AG: Jul 16, 2021
126d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 12, 2021 → Filed with AG: Jul 16, 2021	126d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGJul 16 · first

Maine State AGJul 16 · 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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/0cd6974b-e24d-4a87-a2dc-f4480896b2f2.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2021
Raw hash: f5a9ac6d04fd9c1baa5cc3762611cb2f2e9a3395232d4cea4c269092681c40db

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCity of Independence, Kansas

Victim entityCity of Independence, Kansas

Incidentdiscovered Mar 12, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov