One linked filing — more sources may join as they report · filed Oct 16, 2020. View entity profile → Other incidents for this victim →
incident inc_1760c0d393424a3f · merge_method deterministic
Discovered → first regulatory filing
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.
Identity (basic) · Government ID
ME
all State AG
Earliest sighting first · deep chronology in Litigation Timeline
Feb 2, 2020
When the intrusion reportedly occurred, per the linked filings
May 1, 2020
Reported by MAINE AG filing
Columbus City Schools experienced a phishing attack that was discovered on May 1, 2020. The breach, which occurred on February 2, 2020, compromised the names and Social Security numbers of 3,178 individuals. Affected parties were notified on October 16, 2020, and offered 12 months of credit monitoring and identity protection services.
Affected (this filing): 3,178
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.