SOUTH CAROLINAHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedIdentity (basic)Health (basic)Medium

Eau Claire Cooperative Health, Inc.

bd_fbb5a6727cde2a7a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 29, 2021

To disclose

—

Affected

3,755

Confidence

50%

Full breach record for Eau Claire Cooperative Health, Inc. →

Eau Claire Cooperative Health reported that its business associate experienced a cyber-attack, compromising the electronic protected health information (ePHI) of 3,755 individuals. The compromised data included names, dates of birth, prescription information, and medical record numbers. The business associate implemented additional security safeguards in response.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Jul 29, 2021

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3,755 affectedView incident

Name: Eau Claire Cooperative Health, Inc.
norm: eau claire cooperative health
Industry: Health Care Services

Name: Eau Claire Cooperative Health, Inc.
norm: eau claire cooperative health
Industry: Health Care Services
Also named: Eau Claire Cooperative Health, Inc.dba oflegal entity
Cooperative Healthdba oftrade name
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 3,755nationwide
Data types: Identity (basic)Health (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Other
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
Threat actor: Partner
Regulator citations: The covered entity notified OCR.OCR provided technical assistance to the CE regarding the HIPAA Breach Notification and Privacy Rules.

Changes made: The business associate implemented additional administrative, technical, and security safeguards to better protect ePHI.
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → 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: Jul 29, 2021
Raw hash: c9e4a52db0bd662483dc67143b4a9ddc0d0e2bbe0ea55383806b17aaffe5be74

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Reporting entityEau Claire Cooperative Health, Inc.

Victim entityEau Claire Cooperative Health, Inc.

IncidentUnauthorized Access

Stated responseThe business associate implemented additional administrative, technical, and security safeguards to better protect ePHI.

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing