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Breaches.

Cornerstone Building Brands

Disclosed Sep 11, 20197 years ago11,185 affectedConfirmed

Official notice

What is known

People affected11,185 (as reported by the organization)
DisclosedSep 11, 2019
HappenedApr 1, 2019
AttackNot stated
Data exposedNames, Social Security numbers, Payment cards, Financial
SectorRetail · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Cornerstone Building Brandsoag.ca.gov · Official notice
Indiana Attorney General 2019 data breach report: Cornerstone Building Brandsin.gov · Official notice
Maine Attorney General breach notice archive: Cornerstone Building Brandsmaine.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CASep 11, 2019
Indiana AGresidents of INSep 11, 2019375
Maine AGresidents of MESep 11, 20193

Other breaches at Cornerstone Building Brands

BreachAffected
Disclosed May 21, 2021May 21, 20215 years ago409
History of this record
  • 2026-09-25 · data_types: [] to ["names","ssn","payment-card","financial"] · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 11185 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Cornerstone Building Brands

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