Confirmed breach. Intrusion Feb 7, 2025, discovered Oct 13, 2025 — the first regulatory filing landed 18 days later. 4 individuals reported across the linked filings.
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.
Regulatory clocksMaine✓ ME AG ≤30d · 18dFull clock table in Litigation Timeline
State AGConfirmedLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforced
Affected (total reported)
4
Data types
—
Jurisdictions
1
ME
Linked filings
1
all State AG
Timeline
Earliest sighting first · deep chronology in Litigation Timeline
Breach window
Feb 7, 2025
When the intrusion reportedly occurred, per the linked filings
Beverly Hills Oncology Medical Group reported a data breach to the Maine Attorney General, indicating that an external system breach (hacking) occurred on February 7, 2025. The breach was discovered on October 13, 2025, and affected 4 Maine residents. The company offered 12 months of complimentary credit monitoring services to those affected.
Affected (this filing): 4
ME AG ≤30d · 18d
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.