One linked filing — more sources may join as they report · filed Sep 9, 2025. View entity profile → Other incidents for this victim →
incident inc_238d7feaafcf4c8f · 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.
PII
CA
all State AG
Earliest sighting first · deep chronology in Litigation Timeline
Sep 1, 2025
Reported by CALIFORNIA AG filing
Sep 8, 2025 → Sep 9, 2025
When the intrusion reportedly occurred, per the linked filings
Advantage Media Services LLC experienced a data breach in September 2025 where an unauthorized actor gained access to its server environment and copied data containing personal information. The company detected suspicious activity in September 2025, isolated systems, changed passwords, and engaged security professionals. Data exfiltration occurred. Identity monitoring services were provided to affected individuals.
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.