HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)LowActive

Ernest Health

bd_a8e9ff81abe7f033 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 1, 2024

Filed

Mar 29, 2024

To disclose

8 weeks

Affected

1state residents only

Linked

5 records

Confidence

65%

Full breach record for Ernest Health →3 incidents on file

Ernest Health, Inc. notified Montana residents of a data breach where unauthorized access occurred between Jan 16 and Feb 4, 2024. The incident affected current and former employees, potentially exposing names and other PII. The company isolated systems, engaged forensic investigators, and notified law enforcement. Affected individuals are offered one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d8 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 16 days

discovery → filing · 8 weeks / 57 days

Jan 16, 2024

Begins

Feb 1, 2024

Discovered

Mar 29, 2024

Filed

vs. sector median

1 wks faster

This filing is one of 5 records about the same incident.View merged incident

A leak claim by lockbit_3 about this victim was first seen 32 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitelockbit_3bd_1213010faf93687e2024-02-04 · +54dVerified by operator
Leak Sitelockbit_3bd_8b9fe7f2648e90582024-02-04 · +54dVerified by operator

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_3cd9e8bb73b8f1d92024-03-29Verified
Massachusetts State AGbd_ce0b135750fb36262024-03-30 · +1dVerified

Name: Ernest Health
norm: ernest health
Domain: ernesthealth.com

Name: Ernest Health
norm: ernest health
Domain: ernesthealth.com
Industry: Healthcarellm

Discovered: Feb 1, 2024
Breach occurred: Jan 16, 2024 – Feb 4, 2024
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: In communication with law enforcement

During the incident: Secured and isolated IT systems
Commenced an investigation with assistance from a third-party cybersecurity firm
In communication with law enforcement
Offering complimentary one-year membership to Identity Defense Complete
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGMar 29 · first

Montana State AGMar 29 · first · this page

Massachusetts State AG+1d

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/OCP/Consumer-notification-letter-1242.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2024
Raw hash: 0b9b6d3703392a9c32dd66cacb72d7b6204b0e9ad3a2fe0af24fec75dcb3978e

Linked disclosures

Ransomware claims (2)

Regulatory filings (2) · sorted by filing gap

Reporting entityErnest Health

Victim entityErnest Health

Incidentdiscovered Feb 1, 2024

Stated responseSecured and isolated IT systems

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov