DisclosureLens
UnknownMedium

O'Brien Steel Service

bd_317ce66c35f7739b · schema v1 · pii pii-v2

Severity

Medium

Discovered

Filed

Sep 21, 2023

To disclose

Affected · nationwide

2,5865 in this filing

Linked

4 filings

Confidence

95%
Full breach record for O'Brien Steel Service

O'Brien Steel Service Co reported a data breach to the Indiana Attorney General. The breach occurred on 2023-05-18 and was reported on 2023-09-21. 5 Indiana residents were affected. 2,586 individuals affected in total.

Incident timeline

May 18, 2023

Begins

Sep 21, 2023

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Illinois State AGJan 1 · first
Indiana State AG+263d · this page

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

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.