Social EngineeringHealthcareHealthcarePhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

Emergency Responders Health Center

bd_ebe03a6262b0cd1b · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 11, 2025

Filed

Sep 26, 2025

To disclose

24 weeks

Affected

3state residents only

Linked

3 filings

Confidence

65%

Full breach record for Emergency Responders Health Center →

Emergency Responders Health Center notified Montana residents of a cybersecurity event where email accounts were compromised between Dec 11, 2024, and Apr 11, 2025. The incident was detected on Apr 11, 2025. Affected data included names and basic personal information. The organization engaged forensic investigators, secured accounts, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 121 days

discovery → filing · 24 weeks / 168 days

Dec 11, 2024

Begins

Apr 11, 2025

Discovered

Sep 26, 2025

Filed

vs. sector median

+11 wks slower

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

HHS OCRbd_44018f6a3375f0002025-09-26Candidate
Washington State AGbd_99e172bc4571c3ac2025-09-26Verified

Name: Emergency Responders Health Center
norm: emergency responders health center
Domain: er-hc.org

Name: Emergency Responders Health Center
norm: emergency responders health center
Domain: er-hc.org
Industry: Healthcarellm

Discovered: Apr 11, 2025
Breach occurred: Dec 11, 2024 – Apr 11, 2025
Undetected for: 121 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 26, 2025
Affected individuals: 3state-resident count only
Data types: Identity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Secured the account
Engaged a specialized third-party cybersecurity firm to conduct a comprehensive forensic investigation
Reviewed the affected accounts to identify the specific individuals and the types of information that may have been at risk
Implementing additional technical safeguards and enhanced security measures
Providing 12 months of complimentary credit monitoring, fraud consultation, and identity theft restoration services through HaystackID
Changes made: Implementing additional technical safeguards and enhanced security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(168 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 ↗

HHS OCRSep 26 · first

Washington State AGSep 26 · first

Montana State AGSep 26 · 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/2025/09/Consumer-notification-letter-66.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 26, 2025
Raw hash: 96cf03a5703ececa2c51bdc4a31e3668f4d3216c34841521c8222f91b42c23c7

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityEmergency Responders Health Center

Victim entityEmergency Responders Health Center

Incidentdiscovered Apr 11, 2025

Stated responseSecured the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov