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CORNERSTONE BUILDING BRANDS, INC.
bd_c75a17f9404c2c14 · schema v1 · pii pii-v2
Full breach record for CORNERSTONE BUILDING BRANDS, INC. →3 incidents on fileCornerstone Building Brands reported a data breach to the Indiana Attorney General. The breach occurred on 2020-11-30 and was reported on 2021-05-21. 3 Indiana residents were affected. 409 individuals affected in total.
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Incident timeline
Nov 30, 2020
Begins
May 21, 2021
Filed
This filing is one of 3 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Maine State AGbd_3e6bb6a0d421c8b12021-05-21Candidate
- Montana State AGbd_4421f5071590feb42021-05-21Candidate
Filing propagation · 3 filings · 3 states
View merged incident ↗Maine State AGMay 21 · first
Montana State AGMay 21 · first
Indiana State AGMay 21 · first · this page
Evidence ladder
Leak-site claim
Attacker assertion only. Establishes: claim date, group, alleged victim.
Press / market report
Unlocks: incident narrative, operational impact. Still no compliance clock.
State AG / regulator filingThis record
Unlocks: discovery date, data types, affected count, compliance clock.
SEC 8-K / victim statement
Unlocks: materiality, stated response, full audit trail. Ceiling removed.