One linked filing — more sources may join as they report · filed Feb 28, 2013. View entity profile → Other incidents for this victim →
incident inc_514a68d83c414316 · 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.
Government ID · Identity (basic) · Financial account
CA
all State AG
Earliest sighting first · deep chronology in Litigation Timeline
Feb 1, 2013
When the intrusion reportedly occurred, per the linked filings
First National Bank of Southern California notified clients that a backup tape containing personal information (account numbers, balances, taxpayer ID, SSN) was stolen from a third-party data service provider on February 1, 2013. The bank engaged forensic experts, notified authorities, and offered 12 months of credit monitoring via Experian.
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.