HackingGovernmentGovernmentStolen CredentialsData ExfiltratedTargetedPIIIdentity (basic)LowContained

City of Ellensburg, Washington

bd_4331c0cb94eff486 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 21, 2020

Filed

Feb 10, 2021

To disclose

7 weeks

Affected

41state residents only

Linked

4 filings

Confidence

66%

Full breach record for City of Ellensburg, Washington →

City of Ellensburg notified individuals on Feb 10, 2021, of a Dec 21, 2020 data security incident where an unauthorized third party acquired files containing personal information. The city engaged forensic investigators, reported to the FBI, and offered credit monitoring services.

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Incident timeline

discovery → filing · 7 weeks / 51 days

Dec 21, 2020

Discovered

Feb 10, 2021

Filed

vs. sector median

4 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Washington State AGbd_0fcafd8dcf23bfb42021-02-10Candidate
Indiana State AGbd_3fc4d99623b6ed362021-02-10Verified
Massachusetts State AGbd_586fdce2fc92419c2021-02-10Verified

Name: City of Ellensburg, Washington
norm: city of ellensburg washington

Name: City of Ellensburg, Washington
norm: city of ellensburg washington
Industry: Governmentllm

Discovered: Dec 21, 2020
Materiality determined: —
Notification sent: Feb 10, 2021
Affected individuals: 41state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: reported the incident to the Federal Bureau of Investigation
Initial access: valid_credentials

During the incident: Took immediate steps to secure our systems
Launched an investigation
Engaged an independent digital forensics firm to assist with our recovery efforts
Reported the incident to the Federal Bureau of Investigation
Changes made: Implemented additional measures to enhance the security of our digital environment
Offering complimentary credit monitoring and identity theft restoration services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(51 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Washington State AGFeb 10 · first

Indiana State AGFeb 10 · first

Massachusetts State AGFeb 10 · first

Montana State AGFeb 10 · 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://dojmt.gov/wp-content/uploads/ellensSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 10, 2021
Raw hash: 4fc64c308b1fb64c8d8ef3f2e2fe66ece1f2fb750a4ca77a07443678dc5111be

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCity of Ellensburg, Washington

Victim entityCity of Ellensburg, Washington

Incidentdiscovered Dec 21, 2020

Stated responseTook immediate steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov