MASSACHUSETTSMisuseHealthcareHealthcarePrivilege AbuseStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)Financial accountMediumResolved

MASS GENERAL BRIGHAM INCORPORATED

bd_798f982e3aa2f264 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 28, 2024

To disclose

—

Affected

655

Linked

3 filings

Confidence

98%

Full breach record for MASS GENERAL BRIGHAM INCORPORATED →13 incidents on file

Mass General Brigham Incorporated reported to HHS on 2024-06-28 an Unauthorized Access/Disclosure affecting 655 individuals. Several employees impermissibly shared system credentials with an unauthorized individual to outsource job duties. PHI exposed included names, addresses, medical record numbers, dates of birth, email addresses, phone numbers, SSNs, health insurance and claims information, diagnoses, and other treatment information located in Electronic Medical Records and other systems. Employees were sanctioned and all staff were retrained.

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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

Jun 28, 2024

Filed

—

Corroborated · see linked filings

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

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_90b5d0e711302d9d2024-06-28Verified
Massachusetts State AGbd_c5daf72cf2ffa3022024-06-28Verified

Name: MASS GENERAL BRIGHAM INCORPORATED
norm: mass general brigham
Domain: massgeneralbrigham.org
Industry: Health Care Services

Name: MASS GENERAL BRIGHAM INCORPORATED
norm: mass general brigham
Domain: massgeneralbrigham.org
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 655nationwide
Data types: PHIIdentity (basic)Government IDHealth (basic)Financial account
HHS breach type: Unauthorized access or disclosure
Where the data lived: Electronic medical recordOther
Covered-entity type: Healthcare provider
Attack vector: Insider
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: InternalFinancial
Regulator citations: Notified HHSNotified affected individualsNotified mediaPosted substitute notice on website
Initial access: insider_action

During the incident: Notified HHS, affected individuals, the media, and posted substitute notice on its website
Provided complimentary credit monitoring services
Established a call center for questions or concerns
Changes made: The employees were sanctioned
All staff were retrained on the requirement to protect and secure sensitive data
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.

Filing propagation · 3 filings · 2 states

View merged incident ↗

New Hampshire State AGJun 28 · first

Massachusetts State AGJun 28 · first

HHS OCRJun 28 · first · this page

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: Jun 28, 2024
Raw hash: 9b6e685dfec2120a59d90ac50c321cb5612d43c88c0a60b404f4d7f4935a7555

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Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMASS GENERAL BRIGHAM INCORPORATED

Victim entityMASS GENERAL BRIGHAM INCORPORATED

IncidentInsider

Stated responseNotified HHS, affected individuals, the media, and posted substitute notice on its website

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing