AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedIdentity (basic)Health (basic)Financial accountLowResolved

Massachusetts General Hospital

bd_399dd6af8c3161ea · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 2, 2023

Filed

Dec 8, 2023

To disclose

5 weeks

Affected

1state residents only

Linked

2 filings

Confidence

67%

Full breach record for Massachusetts General Hospital →88 incidents on file

Massachusetts General Hospital notified the NH AG of a misdelivery incident on Nov 2, 2023, where a consent form containing PHI, PII, and financial info was sent to the wrong patient via Engaged MD. One NH resident affected. Notices sent Nov 28, 2023. Account deactivated; training improved.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 5 weeks / 36 days

Nov 2, 2023

Discovered

Dec 8, 2023

Filed

vs. sector median

7 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_e3491a795b321ac12023-12-15 · +7dVerified

Name: Massachusetts General Hospital
norm: massachusetts general hospital
Domain: massgeneral.org

Name: Massachusetts General Hospital
norm: massachusetts general hospital
Domain: massgeneral.org
Industry: Healthcarellm

Discovered: Nov 2, 2023
Materiality determined: —
Notification sent: Nov 28, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)Health (basic)Financial account
Attack vector: Misconfiguration
MITRE ATT&CK: T1530 Data from Cloud Storage Object
Threat actor: Internal
Regulator citations: Notified New Hampshire Office of the Attorney General

During the incident: Began an investigation
Expired the electronic consent form
Deactivated the Engaged MD account that contains the incorrect information
Continue to improve safeguards in place to protect your information
Promote training and education of our employees
Changes made: Deactivated the Engaged MD account
Continue to improve safeguards in place to protect your information
Promote training and education of our employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(36 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGDec 8 · first · this page

Massachusetts State AG+7d

Pattern: first filing Dec 8 (NH), last Dec 15 (MA) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/massachusetts-general-hospital-mass-general-brigham-20231208.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 8, 2023
Raw hash: f2c95a9805be963cc5251d107ee69ff6437078eec59b1d7e16b5201c1cd9ff24

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMassachusetts General Hospital

Victim entityMassachusetts General Hospital

Incidentdiscovered Nov 2, 2023

Stated responseBegan an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov