MINNESOTAMalwareHealthcareFinancial ServicesHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedRansom DemandedHealth (basic)Identity (basic)Government IDHighContained

PrimeWest Health

bd_3e1b196176065006 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 15, 2016

Filed

Dec 29, 2016

To disclose

6 weeks

Affected

2,441

Confidence

97%

Full breach record for PrimeWest Health →

PrimeWest Health (MN, Health Plan) reported to HHS OCR on 2016-12-29 a Hacking/IT Incident affecting 2,441 individuals. On November 15, 2016, business associate Summit Reinsurance notified PrimeWest Health of a ransomware incident on a network server containing CE data. PHI exposed included names, addresses, dates of birth, and Social Security numbers. The BA mitigated by taking the server offline, confirming ransomware was isolated to one server, and removing remote access. OCR obtained documented assurances of corrective actions.

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HIPAA clock✓ HHS report on time6 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

discovery → filing · 6 weeks / 44 days

Nov 15, 2016

Discovered

Dec 29, 2016

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2,441 affectedView incident

Name: PrimeWest Health
norm: primewest health
Industry: Insurance — Health

Name: PrimeWest Health
norm: primewest health
Industry: Insurance — Health
Industry: Healthcaresource defaultFinancial Servicesllm

Discovered: Nov 15, 2016
Materiality determined: —
Notification sent: —
Affected individuals: 2,441nationwide
Data types: Health (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Health planBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: HHS OCR notified; OCR obtained documented assurances of corrective actions
Third party: via Summit Reinsurancebusiness associate

During the incident: Business associate took the computer server offline
BA confirmed ransomware was limited to a specific server
BA assessed and removed remote access to data through the ransomware
CE provided breach notification to the media, affected patients, and HHS
Corrective actions documented and assured to OCR
Changes made: Server taken offline
Ransomware contained to specific server
Remote access vector removed
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(44 days from discovery to filing)
Compliance flags: HHS report on timeHHS notified
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.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: Nov 15, 2016
→ Notified: not extracted
— 60 days HHS report on time
HIPAA
Discovered: Nov 15, 2016
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: Nov 15, 2016 → Notified: not extracted	—	60 days	HHS report on time
HIPAA	Discovered: Nov 15, 2016 → Notified: not extracted	—	regulatory submission	HHS notified

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Dec 29, 2016
Raw hash: f5950b6e8da9500f59f3fc4fc86fa9cc33c21c1453a49ee8ba589b06332b3694

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Reporting entityPrimeWest Health

Victim entityPrimeWest Health

Incidentdiscovered Nov 15, 2016

Stated responseBusiness associate took the computer server offline

ComplianceHHS report on time

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing