HackingGovernmentGovernmentStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

The Village of Hoffman Estates

bd_0d359b99699ff4c6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 20, 2023

Filed

Jul 31, 2024

To disclose

41 weeks

Affected

3state residents only

Linked

3 filings

Confidence

65%

Full breach record for The Village of Hoffman Estates →3 incidents on file

The Village of Hoffman Estates reported a supplemental breach notification to New Hampshire on July 31, 2024, covering 3 NH residents. Unauthorized access occurred between Oct 16-20, 2023, detected on Oct 20, 2023. PII including government IDs was affected. The Village notified federal law enforcement, engaged forensic investigation, and offered credit monitoring via Experian.

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Incident timeline

undetected · 4 days

discovery → filing · 41 weeks / 285 days

Oct 16, 2023

Begins

Oct 20, 2023

Discovered

Jul 31, 2024

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_5135ea0d244712392024-07-31Candidate
Indiana State AGbd_8d942cc8704dcd5d2024-07-31Verified

Name: The Village of Hoffman Estates
norm: the village of hoffman estates

Name: The Village of Hoffman Estates
norm: the village of hoffman estates
Industry: Governmentllm

Discovered: Oct 20, 2023
Breach occurred: Oct 16, 2023 – Oct 20, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 27, 2024
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement
Initial access: valid_credentials

During the incident: Moved quickly to investigate and respond to the incident
Assess the security of the Village systems
Identify potentially affected individuals
Notified federal law enforcement regarding the event
Providing complimentary access to credit monitoring services for , through Experian, to individuals whose information was potentially affected by this incident
Changes made: Implementing additional safeguards and training to its employees
Reviewing existing security polices and have implemented additional security measures to further protect against similar incidents moving forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(285 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGJul 31 · first

Indiana State AGJul 31 · first

New Hampshire State AGJul 31 · 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://mm.nh.gov/files/uploads/doj/remote-docs/village-hoffman-estates-20240731.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 31, 2024
Raw hash: 66a62e5f37df1248e68dd602eacb8bce6d575c2c3d4a7923906a83bdeb18d274

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityThe Village of Hoffman Estates

Victim entityThe Village of Hoffman Estates

Incidentdiscovered Oct 20, 2023

Stated responseMoved quickly to investigate and respond to the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov