HackingManufacturingCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDHigh

O'Brien Steel Service

bd_2ee698abcfbb22e5 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 28, 2023

Filed

Sep 22, 2023

To disclose

12 weeks

Affected · nationwide

2,5861 in this filing

Linked

4 filings

Confidence

63%

Full breach record for O'Brien Steel Service →

O'Brien Steel Service Co. experienced an external system breach between May 18, 2023, and June 1, 2023, discovered on June 28, 2023. The breach impacted 2,586 individuals, compromising names and driver's license or non-driver ID card numbers. The company notified affected individuals and offered 12 months of identity theft protection services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 28, 2023 → Filed with AG Sep 22, 202386d ⏱ ME AG >30d12 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 41 days

discovery → filing · 12 weeks / 86 days

May 18, 2023

Begins

Jun 28, 2023

Discovered

Sep 22, 2023

Filed

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteakirabd_34e1da08cbddc2752023-08-30 · +23dCandidate

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_317ce66c35f7739b2023-09-21 · +1dVerified
Illinois State AGbd_0ab7f07ab657a84d2023-01-01 · +264dVerified by operator

Name: O'Brien Steel Service
norm: o brien steel service

Name: O'Brien Steel Service
norm: o brien steel service

Discovered: Jun 28, 2023
Breach occurred: May 18, 2023 – Jun 1, 2023
Undetected for: 41 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 21, 2023
Affected individuals: 2,586state + nationwide
Data types: Identity (basic)Government ID
Data elements: Driver's licence number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External

During the incident: Provided written notification to affected consumers
Offered 12 months of identity theft protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: ME AG >30d · 86dME resident >60d · 85d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 28, 2023
→ Filed with AG: Sep 22, 2023
86d 30 days (soft) ME AG >30d
Maine
Discovered: Jun 28, 2023
→ Notified: Sep 21, 2023
85d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 28, 2023 → Filed with AG: Sep 22, 2023	86d	30 days (soft)	ME AG >30d
Maine	Discovered: Jun 28, 2023 → Notified: Sep 21, 2023	85d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Illinois State AGJan 1 · first

Indiana State AG+263d

Maine State AG+264d · 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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/eb5c99cc-e1bc-4161-adc5-94f379210919.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 22, 2023
Raw hash: 9160ccc5b6403420da46b5505de23e1222c8f72c17679fed51aa56aee34d5aa0

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityO'Brien Steel Service

Victim entityO'Brien Steel Service

Incidentdiscovered Jun 28, 2023

Stated responseProvided written notification to affected consumers

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov