One linked filing — more sources may join as they report · filed Feb 21, 2024. View entity profile → Other incidents for this victim →
incident inc_26b320afcc1042b4 · merge_method deterministic
Not recorded for this incident
Discovery variance · Leak precedence · Materiality delta · SEC filing delay · Filing span — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.
PHI · Identity (basic)
VT
all State AG
Earliest sighting first · deep chronology in Litigation Timeline
Massachusetts General Hospital filed a data breach notice with the Vermont Attorney General on February 21, 2024. The notice advises consumers to review account statements and update personal information. The specific nature of the breach, data types compromised, and number of affected individuals are not detailed in the filing page itself, though the attached PDF is a consumer notice regarding protected health information.
About this clustering
DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. Filing summaries shown in the timeline are AI-generated extracts — verify each against its linked source.