State AGConfirmed3 filings · 3 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 3 filings
CORNERSTONE BUILDING BRANDS, INC. — November 2020 breach
Clustered 3 filings across 3 jurisdictions · filed May 21, 2021. View entity profile → Other incidents for this victim →
⚠ 2 cross-filing discrepancies →Merge100%
incident inc_f13ccf476a9443a1 · merged by llm · confidence 100%
Confirmed breach. Merged as one breach: 3 regulatory filings. The filings describe unauthorized access. Intrusion Nov 30, 2020–Dec 31, 2020, discovered Dec 1, 2020 — the first regulatory filing landed 171 days later. 409 individuals reported across the linked filings. Data reported: Government ID, PII, Identity (basic), and 1 more. Each member filing remains the legal record for its jurisdiction.
Litigation Timing
SupplementalNotification delay
171days
Discovered → first regulatory filing
Discovery variance
171days
Range of discovered_at dates across filings
Filing span
0days
Time between earliest and latest filing
Not recorded for this incident
Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.
Regulatory clocksMaine✓ ME AG ≤30d · 0dFull clock table in Litigation Timeline
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