HackingGovernmentGovernmentStolen CredentialsData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Grand Traverse County, Michigan

bd_702d5df6f48a32da · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Oct 15, 2025

To disclose

—

Affected

Not disclosed

Linked

3 filings

Confidence

67%

Full breach record for Grand Traverse County, Michigan →2 incidents on file

Grand Traverse County, Michigan, notified Nebraska AG on October 9, 2025, of a data security incident involving unauthorized system activity. The breach compromised names and Social Security numbers. The County engaged third-party experts, notified law enforcement, and provided 12 months of credit monitoring. No evidence of misuse was found at the time of filing.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Oct 15, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

Indiana State AGbd_13e04133c0e062962025-10-15Verified
Maine State AGbd_566ce42e5d210ea92025-10-15Candidate

Name: Grand Traverse County, Michigan
norm: grand traverse county michigan

Name: Grand Traverse County, Michigan
norm: grand traverse county michigan
Industry: Governmentllm

Discovered: —
Materiality determined: —
Notification sent: Oct 9, 2025
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Secured and remediated the compromise
Engaged additional third-party experts
Commenced an investigation
Hardened and enhanced our network security
Conducted a digital forensic investigation
Notified law enforcement
Changes made: Enhanced our data security
Enhancing our cyber preparedness through additional awareness training
Updating our procedures
Source: Quoted from the filing itself, not independently verified.

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 ↗

Indiana State AGOct 15 · first

Maine State AGOct 15 · first

Nebraska State AGOct 15 · 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://nebraska.gov/ago/data-breach/documents/f62f50d6-be33-4d59-96cb-8d4cd24907c7.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 15, 2025
Raw hash: 5cd5b1953b79335722486e7756a53fb7052e8b6f39f12c6b95a660e91215c70f

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityGrand Traverse County, Michigan

Victim entityGrand Traverse County, Michigan

IncidentUnauthorized Access

Stated responseSecured and remediated the compromise

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov