HackingHealthcareHealthcareStolen CredentialsCapture Stored DataTargetedData ExfiltratedIdentity (basic)Government IDHealth (basic)PIIHighContained

Jefferson Medical Associates (JMA)

bd_740098cc5d6ced11 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 1, 2016

Filed

Jun 28, 2016

To disclose

27 days

Affected · nationwide

10,4011 in this filing

Confidence

65%

Full breach record for Jefferson Medical Associates (JMA) →

Jefferson Medical Associates notified Montana AG of a breach affecting 10,401 individuals. Unauthorized access occurred between March 2014 and June 2016, exposing PHI, SSNs, and PII. One Montana resident affected. Notices mailed June 28-29, 2016. Law enforcement notified; database secured and encrypted.

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Incident timeline

undetected · 799 days

discovery → filing · 27 days

Mar 25, 2014

Begins

Jun 1, 2016

Discovered

Jun 28, 2016

Filed

vs. sector median

8 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed10,401 affectedView incident

Name: Jefferson Medical Associates (JMA)
norm: jefferson medical associates jma

Name: Jefferson Medical Associates (JMA)
norm: jefferson medical associates jma
Industry: Healthcarellm

Discovered: Jun 1, 2016
Breach occurred: Mar 25, 2014 – Jun 1, 2016
Undetected for: 799 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 28, 2016
Affected individuals: 10,401state + nationwide
Data types: Identity (basic)Government IDHealth (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Montana Department of Justice Attorney General Office of Consumer Protection
Initial access: valid_credentials

During the incident: Reported the incident to law enforcement and is cooperating with its investigation
Secured the affected database
Disabled the ability for remote connections to it
Transferred the information to a new, encrypted database
Conducting a security analysis of its entire computer system
Offering all affected individuals 12 months of free monitoring and identity protection service through AllClear ID
Changes made: Transferred the information to a new, encrypted database
Conducting a security analysis of its entire computer system
Implementing additional measures to further strengthen its data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/Jefferson-Medical-Associates.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 28, 2016
Raw hash: 0dba6ae7297435e3ad6ec8bdd25b0d4daeb19fac1926f25630c61c8a2599da05

Reporting entityJefferson Medical Associates (JMA)

Victim entityJefferson Medical Associates (JMA)

Incidentdiscovered Jun 1, 2016

Stated responseReported the incident to law enforcement and is cooperating with its investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov