MASSACHUSETTSSocial EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDHighResolved

Mattapan Community Health Center, Inc.

bd_ba398c685abebff9 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 31, 2020

To disclose

—

Affected

4,073

Confidence

69%

Full breach record for Mattapan Community Health Center, Inc. →4 incidents on file

Mattapan Community Health Center reported to HHS on 2020-12-31 a Hacking/IT Incident affecting 4,073 individuals. Breached information located on Email. An employee was victim of an email phishing scheme exposing ePHI including names, addresses, DOB, SSNs, and medical info. MCHC implemented safeguards, retrained staff, provided credit monitoring, and established a call center.

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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

Dec 31, 2020

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.Confirmed4,073 affectedView incident

Name: Mattapan Community Health Center, Inc.
norm: mattapan community health center
Industry: Health Care Services

Name: Mattapan Community Health Center, Inc.
norm: mattapan community health center
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 4,073nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: Received technical assistance pertaining to the HIPAA Security and Breach Notification Rules
Initial access: phishing_link

During the incident: Implemented additional administrative and technical safeguards
Retrained its staff on email security
Provided complimentary credit monitoring services
Established a call center for questions or concerns
Changes made: Implemented additional administrative and technical safeguards
Retrained its staff on email security
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: Dec 31, 2020
Raw hash: 3f2e0bdd5c5c26e5850feaea2398d068506f0ecb2ca19d7d3e5d669c8252500e

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Reporting entityMattapan Community Health Center, Inc.

Victim entityMattapan Community Health Center, Inc.

IncidentUnauthorized Access

Stated responseImplemented additional administrative and technical safeguards

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing