Social EngineeringHealthcareFinancial ServicesHealthcarePhishingStolen CredentialsTargetedCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

SAG-AFTRA Health Plan

bd_e1a4e08cafa89054 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 18, 2024

Filed

Dec 2, 2024

To disclose

11 weeks

Affected

60state residents only

Linked

12 filings

Confidence

65%

Full breach record for SAG-AFTRA Health Plan →

SAG-AFTRA Health Plan notified Montana residents of a phishing incident where an employee's email account was compromised. Unauthorized access occurred Sept 17-18, 2024, exposing names, SSNs, and potentially PHI. The Plan contained the incident, engaged third-party experts, and notified law enforcement. Affected individuals are offered one year of Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 11 weeks / 75 days

Sep 17, 2024

Begins

Sep 18, 2024

Discovered

Dec 2, 2024

Filed

vs. sector median

on median

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Nebraska State AGbd_ad4ef20dca8e95c82024-12-02Verified
HHS OCRbd_b608666f3ea2f0c62024-12-02Verified
New Hampshire State AGbd_d20c10fe5f79e7542024-12-02Verified
California State AGbd_e32d3742be322d962024-12-02Verified

Show 6 more filings ↓up to 102d gap

Massachusetts State AGbd_efa062d63e2db85c2024-12-02Verified
Vermont State AGbd_0ca33c9d0a197ad52025-03-14 · +102dVerified
New Hampshire State AGbd_1b5088553ded9aac2025-03-14 · +102dVerified
California State AGbd_4a1f1caa590b34652025-03-14 · +102dVerified
Oregon State AGbd_76baac9c98e3afcd2025-03-14 · +102dVerified
Washington State AGbd_dfd33c6fd0994f172025-03-14 · +102dVerified

Showing first 10 of 11 linked disclosures.

Name: SAG-AFTRA Health Plan
norm: sag aftra health plan

Name: SAG-AFTRA Health Plan
norm: sag aftra health plan
Industry: HealthcarellmFinancial Servicesllm

Discovered: Sep 18, 2024
Breach occurred: Sep 17, 2024 – Sep 18, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 60state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: phishing_link

During the incident: Immediately contained and remediated the issue
Launched an investigation with the assistance of leading third-party experts
Notified law enforcement
Changes made: Implementing and evaluating enhanced safeguards and security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(75 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Nebraska State AGDec 2 · first

HHS OCRDec 2 · first

New Hampshire State AGDec 2 · first

California State AGDec 2 · first

Massachusetts State AGDec 2 · first

Montana State AGDec 2 · first · this page

Vermont State AG+102d

New Hampshire State AG+102d

California State AG+102d

Oregon State AG+102d

Washington State AG+102d

Pattern: first filing Dec 2 (NE), last Mar 14 (WA) — a 102-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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/2025/03/Consumer-notification-letter-3.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 2, 2024
Raw hash: 0ec37341b225dfbd3353777d96b1dc772396b3dcf18e2192dc0117a9ad356bb3

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySAG-AFTRA Health Plan

Victim entitySAG-AFTRA Health Plan

Incidentdiscovered Sep 18, 2024

Stated responseImmediately contained and remediated the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov