O'Brien Steel Service
bd_0ab7f07ab657a84d · schema v1 · pii pii-v2
Full breach record for O'Brien Steel Service →O'BRIEN STEEL SERVICE CO filed a data-breach notice with the Illinois Attorney General during 2023 (case 23-653). The register records the breach as discovered on May 18, 2023. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
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Incident timeline — partial
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Breach window unknown
Jan 1, 2023
Filed
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Siteakirabd_34e1da08cbddc2752023-08-30 · +241dCandidate
Regulatory filings (2) · sorted by filing gap
- Indiana State AGbd_317ce66c35f7739b2023-09-21 · +263dVerified
- Maine State AGbd_2ee698abcfbb22e52023-09-22 · +264dVerified by operator
Filing propagation · 3 filings · 3 states
View merged incident ↗Pattern: first filing Jan 1 (IL), last Sep 22 (ME) — a 264-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.