GLOBALClaimed by Lockbit2First sightinglinked via operator-confirmed · 100%
Posted to leak site Jan 27, 2022bd_59d98ecefb52062c
Clustered 2 filings across 2 jurisdictions · filing window Jan 27, 2022 → Apr 11, 2022. View entity profile → Other incidents for this victim →
incident inc_dbac8ba72abc4abc · merge_method human · confidence 100%
Gap between first leak claim and first regulatory filing
Time between earliest and latest filing
Not recorded for this incident
Discovery variance · Materiality delta · SEC filing delay — no SEC 8-K in this cluster; needs two dated filings.
Health (basic) · Identity (basic)
CA
Leak Site · HHS OCR
Earliest sighting first · deep chronology in Litigation Timeline
Von Behren & Hunter LLP (a Business Associate, CA) reported to HHS OCR on 2022-04-11 a ransomware attack affecting the PHI of 5,852 individuals. Breached information was located on a Network Server. PHI involved included names, dates of birth, addresses, claims information, diagnoses, and other treatment information. The BA notified HHS, affected individuals, and the media. Additional technical safeguards were implemented, complimentary credit monitoring was offered, policies were revised, and employees were retrained. OCR provided technical assistance regarding the HIPAA Rules.
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.
Affected (this filing): 5,852