Every public data breach

47 disclosed this week · 26,367 on record

O'Brien Steel Service

Disclosed Sep 21, 20232,586 affectedConfirmed

Official notice

What is known

People affected2,586 (as reported by the organization)
DisclosedSep 21, 2023
HappenedMay 18, 2023
AttackNot stated
Data exposedNot stated
SectorManufacturing · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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