DisclosureLens
UnknownGovernment IDFinancial accountMedium

Massachusetts General Hospital

bd_e3491a795b321ac1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 15, 2023

To disclose

—

Affected

1state residents only

Linked

2 filings

Confidence

95%
Full breach record for Massachusetts General Hospital →88 incidents on file

Massachusetts General Hospital reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-12-15. 1 Massachusetts residents were affected. The report records the breach type as electronic.

Massachusetts clock✓ MA credit monitoring due
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Dec 15, 2023

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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
New Hampshire State AGDec 8 · first
Massachusetts State AG+7d · this page

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.