Social EngineeringHealthcareHealthcarePhishingStolen CredentialsTargetedIdentity (basic)PHIHealth (basic)LowContained

District Medical Group

bd_def4ce47e1b7efa2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 11, 2020

Filed

May 8, 2020

To disclose

8 weeks

Affected

4state residents only

Linked

3 filings

Confidence

64%

Full breach record for District Medical Group →

District Medical Group notified Montana residents of a phishing incident in March 2020. Unauthorized access to employee email accounts occurred Feb 4-10, 2020. Affected data included names, medical record numbers, health insurance info, and limited medical info. No SSN or financial data was compromised. DMG engaged cybersecurity firms and enhanced email security.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 36 days

discovery → filing · 8 weeks / 58 days

Feb 4, 2020

Begins

Mar 11, 2020

Discovered

May 8, 2020

Filed

vs. sector median

4 wks faster

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_7bf20cc1ca69f8882020-05-08Verified
Massachusetts State AGbd_8f49ff146e24dfde2020-05-08Verified

Name: District Medical Group
norm: district medical

Name: District Medical Group
norm: district medical
Industry: Healthcarellm

Discovered: Mar 11, 2020
Breach occurred: Feb 4, 2020 – Feb 10, 2020
Undetected for: 36 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 11, 2020
Affected individuals: 4state-resident count only
Data types: Identity (basic)PHIHealth (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 accounts
Began an investigation
Engaged a leading cyber security firm to assist in our investigation
Changes made: Implementing additional email security
Reinforcing education with employees on how to identify and avoid phishing emails
Enhancing security infrastructure and systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 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 OCRMay 8 · first

Massachusetts State AGMay 8 · first

Montana State AGMay 8 · 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/OCP/Breach-NotificationDetails-170.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 8, 2020
Raw hash: ff853c86527427c2a0bf47152bd432d54b548a186749592e6f68d10783e0ab82

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityDistrict Medical Group

Victim entityDistrict Medical Group

Incidentdiscovered Mar 11, 2020

Stated responseSecured the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov