TEXASAccidentalHealthcareHealthcareMisdeliveryBusiness Associate (HIPAA)Customer Data InvolvedData ExfiltratedIdentity (basic)Government IDHealth (basic)Financial accountHighResolved

MEMORIAL HERMANN HEALTH SYSTEM

bd_2d46945ebe683ef5 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Mar 31, 2021

To disclose

—

Affected

1,893

Confidence

96%

Full breach record for MEMORIAL HERMANN HEALTH SYSTEM →3 incidents on file

Memorial Hermann Health System (TX) reported to HHS OCR on 2021-03-31 an Unauthorized Access/Disclosure affecting 1,893 individuals. A business associate employee uploaded PHI to the Internet, making it publicly viewable. Exposed data included names, addresses, dates of birth, Social Security numbers, diagnoses, claims, health insurance information, and other treatment information. Breached information was located on a Network Server. The BA offered credit monitoring and implemented additional technical safeguards.

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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

Mar 31, 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.Confirmed1,893 affectedView incident

Name: MEMORIAL HERMANN HEALTH SYSTEM
norm: memorial hermann health system
Domain: memorialhermann.org
Industry: Health Care Services

Name: MEMORIAL HERMANN HEALTH SYSTEM
norm: memorial hermann health system
Domain: memorialhermann.org
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 1,893nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial account
HHS breach type: Unauthorized access or disclosure
Where the data lived: Network server
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1213 Data from Information Repositories
Threat actor: Partner
Regulator citations: HHS OCR notified

During the incident: Notified affected individuals
Notified media
Provided substitute notice
Business associate provided complimentary credit monitoring services
Business associate implemented additional technical safeguards
Changes made: Credit monitoring services offered to affected individuals
Additional technical safeguards implemented by business associate
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: Mar 31, 2021
Raw hash: 6a4e2b2705280a66dcec808775d3a225d410d45119127b7af4720ee84237c355

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Reporting entityMEMORIAL HERMANN HEALTH SYSTEM

Victim entityMEMORIAL HERMANN HEALTH SYSTEM

IncidentUnauthorized Access

Stated responseNotified affected individuals

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing