GLOBALClaimed by Cl0pFirst sighting
Posted to leak site Jun 14, 2023bd_9fd1bff034857db1
Clustered 2 filings across 2 jurisdictions · filing window Jun 14, 2023 → Feb 28, 2024. View entity profile → Other incidents for this victim →
incident inc_8cf3d72210784e3e · merge_method human · confidence 100%
Time between earliest and latest filing
Not recorded for this incident
Discovery variance · Leak precedence · Materiality delta · SEC filing delay — needs two dated filings.
FEDERAL
Leak Site · SEC 10-K Item 1C
Earliest sighting first · deep chronology in Litigation Timeline
UnitedHealth Group's FY2023 10-K Item 1C briefly notes a cybersecurity incident disclosed on February 22, 2024, believed to have been committed by cybercrime threat actors. The company states the investigation is ongoing and that, as of the report date, it has not determined the incident is reasonably likely to materially impact its financial condition or results of operations. No technical details, affected individual count, data types, or attack vector are disclosed in this filing.
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.