MARYLANDMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData ExfiltratedData EncryptedRansom DemandedPHIHealth (basic)Identity (basic)MediumContained

TidalHealth Peninsula Regional

bd_b5afc2ebb733926a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 26, 2021

To disclose

—

Affected

4,070

Confidence

68%

Full breach record for TidalHealth Peninsula Regional →

TidalHealth Peninsula Regional reported to HHS on 2021-05-26 a Hacking/IT Incident affecting 4070 individuals. Breached information located on Network Server. A business associate was the victim of a ransomware attack affecting ePHI including names, DOB, and prescription info. Credit monitoring was provided.

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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

May 26, 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.Confirmed4,070 affectedView incident

Name: TidalHealth Peninsula Regional
norm: tidalhealth peninsula regional
Industry: Health Care Services

Name: TidalHealth Peninsula Regional
norm: tidalhealth peninsula regional
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 4,070nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified HHS

During the incident: Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice
Provided complimentary credit monitoring services to affected individuals
Provided the BA with training on HIPAA requirement to protect and secure ePHI
Changes made: Provided the BA with training on HIPAA requirement to protect and secure 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: May 26, 2021
Raw hash: 7c4915b9ea4c9cef02211fcfa619de26be824dabe4da92ccf6c33cc6bee59c56

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Reporting entityTidalHealth Peninsula Regional

Victim entityTidalHealth Peninsula Regional

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing