Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Williams Brothers Construction

Disclosed Aug 19, 202621,913 affectedConfirmed

Official notice

What is known

People affected21,913 (as reported by the organization)
DisclosedAug 19, 2026
DiscoveredAug 3, 2026
HappenedJan 10, 2026
AttackNot stated
Data exposedSocial Security numbersHealthInsuranceNames
SectorManufacturing · US
StatusConfirmed

Sources

Official noticeoag.my.site.com
Texas Attorney General data security breach report BR-0005269: Williams Brothers Construction
Official noticein.gov
Indiana Attorney General 2026 data breach report: Williams Brothers Construction

Notices filed

Residents of INAug 19
Indiana AG6 people
Residents of TXAug 21
Texas AG21,537 people
History of this record
disclosed2026-10-02
2026-08-21 to 2026-08-19by dailySource
Added2026-09-25
First recordedby backfillSource

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

Everything about Williams Brothers Construction