HackingHealthcareFinancial ServicesHealthcareStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

Health Plan of San Joaquin (HPSJ)

bd_557b508e20ebb6cb · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 12, 2020

Filed

May 18, 2021

To disclose

31 weeks

Affected

55state residents only

Linked

3 filings

Confidence

65%

Full breach record for Health Plan of San Joaquin (HPSJ) →2 incidents on file

Health Plan of San Joaquin notified Montana residents that unauthorized individuals accessed employee email accounts between Sept 26 and Oct 12, 2020. Affected individuals' names and other personal info were present in the accounts. HPSJ changed passwords, engaged a specialist, and offers 12 months of Equifax credit monitoring.

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Incident timeline

undetected · 16 days

discovery → filing · 31 weeks / 218 days

Sep 26, 2020

Begins

Oct 12, 2020

Discovered

May 18, 2021

Filed

vs. sector median

+19 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

Maine State AGbd_90d3d799540bee882021-05-18Verified
California State AGbd_eb22886cfd0850882021-05-18Verified

Name: Health Plan of San Joaquin (HPSJ)
norm: health plan of san joaquin hpsj

Name: Health Plan of San Joaquin (HPSJ)
norm: health plan of san joaquin hpsj
Industry: HealthcarellmFinancial Servicesllm

Discovered: Oct 12, 2020
Breach occurred: Sep 26, 2020 – Oct 12, 2020
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 55state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation
Brought in a computer specialist that has expertise in email security incidents
Immediately changed the passwords for those email accounts
Changes made: Offering free identity monitoring services for 12 months through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(218 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 ↗

Maine State AGMay 18 · first

California State AGMay 18 · first

Montana State AGMay 18 · 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/Health-Notif-1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 18, 2021
Raw hash: 081b2e92e2db533098230f1314e8e883b9705ed567c76149f1e0204c4bd6dda7

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHealth Plan of San Joaquin (HPSJ)

Victim entityHealth Plan of San Joaquin (HPSJ)

Incidentdiscovered Oct 12, 2020

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov