Rankiteo Logo
Rankiteo
Leader in Cyber Underwriting
Loading...
NEWRankiteo Cyber Underwriting Desktop - Score, price, and bind from your desktop
WindowsmacOSLinux
Download
O'Brien Steel Service

O'Brien Steel Service Vendor Cyber Rating & Cyber Score

obriensteel.com
in
Add Your Compliance Badge
ISO 27001
SOC 2 Type 1
SOC 2 Type 2
PCI DSS
HIPAA
GDPR

Established in 1975, O’Brien Steel Service has sustained a commitment to one overriding goal: Be Easy to Buy From. Today, our customers range from small job shops to the largest OEMs in the USA. Our vast inventory of carbon steel and large fleet of delivery trucks makes your buying process easy to get what you want, when you need it. Processing capabilities include oxy-fuel cutting, plasma cutting, laser cutting, forming, beveling, machining, blasting, and more. And our 400+ dedicated employees ensure service that’s professional, timely, and quality focused. With locations in Peoria, Milwaukee, St. Louis, and Wausau, we are ready to meet your most demanding requirements!


OSS A.I CyberSecurity Scoring

Incident Details
OSS
Company Information
Website:http://www.obriensteel.com/
Employees number:168
Number of followers:709
NAICS:3331
Industry Type:Agriculture, Construction, Mining Machinery Manufacturing
Homepage:obriensteel.com
Cyber Premium EstimationGet Supply Chain
OSS Risk Score (AI oriented)
Between 700 and 749
logo
OSSAgriculture, Construction, Mining Machinery Manufacturing
Updated:
04/04/2026
723/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
OSS Global Score (TPRM)
xxxx
logo
OSSAgriculture, Construction, Mining Machinery Manufacturing
•••
Score locked
Instant access to detailed risk factors
Vulnerabilities
Benchmark vs. industry & size peers
Findings

OSS
OSSModerate
Current Score
723Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JULY 2026
725Before Incident
JUNE 2026
725Before Incident
MAY 2026
724Before Incident
APRIL 2026
724Before Incident
MARCH 2026
723Before Incident
FEBRUARY 2026
723Before Incident
JANUARY 2026
722Before Incident
DECEMBER 2025
721Before Incident
NOVEMBER 2025
720Before Incident
OCTOBER 2025
720Before Incident
SEPTEMBER 2025
719Before Incident
AUGUST 2025
718Before Incident
MAY 2023
747Before Incident
Breach
18 May 2023 • OSS
O’Brien Steel Service Co.

O’Brien Steel Service Data Breach

692After Incident
CRITICAL-55
OBR4203542110425
O’Brien Steel Service Co. experienced a cybersecurity incident between May 18, 2023, and June 1, 2023, resulting in the potential compromise of customers' personal information. The breach led to a class action lawsuit, alleging the company failed to adequately secure sensitive data. Affected individuals were notified and offered compensation, including reimbursement for expenses (up to $5,500), credit monitoring, and cash payments. The incident exposed customers to risks such as identity theft, fraud, and financial losses, with documented cases of extraordinary harm (e.g., unreimbursed losses directly tied to the breach). The settlement fund covers legal fees, administrative costs, and payouts to victims, with claims accepted until December 29, 2025. The breach underscores vulnerabilities in the company’s data protection measures, leading to reputational damage and financial liabilities.
INCIDENT DETAILS -
TYPE
Data Breach
DATA BREACH
Personal InformationSensitivity Of Data: High (Personally Identifiable Information)
REFERENCES
Blog URLSource URL

Frequently Asked Questions

?
What is the current A.I Rankiteo Cyber Score for OSS ?
?
What was OSS's A.I Rankiteo Cyber Score in June 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in May 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in April 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in March 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in February 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in January 2026 ?
?
What was OSS's A.I Rankiteo Cyber Score in December 2025 ?
?
What was OSS's A.I Rankiteo Cyber Score in November 2025 ?
?
What was OSS's A.I Rankiteo Cyber Score in October 2025 ?
?
What was OSS's A.I Rankiteo Cyber Score in September 2025 ?
?
What was OSS's A.I Rankiteo Cyber Score in August 2025 ?
?
What is the average per-incident point impact on OSS's A.I Rankiteo Cyber Score over the past 12 months ?
?
Where can I access detailed records of all cyber incidents associated with OSS ?
?
Where can I find a summary of the A.I Rankiteo Risk Scoring methodology ?
?
Where can I view OSS's profile page on Rankiteo ?
?
How accurate is the A.I Rankiteo Risk Scoring methodology ?
O'Brien Steel Service Cyber Scoring History | Rankiteo