Oklahoma Data Breaches

Southeastern Oklahoma State University

Discovered Aug 19, 2026

Southeastern Oklahoma State University was listed in an unconfirmed 2026 data breach report attributed to the Interlock ransomware group. The report alleges exposure of student records, including Social Security numbers, financial aid information, and medical information, but no affected count has been disclosed.

Oklahoma Nursing Times

Discovered Aug 12, 2026

Oklahoma Nursing Times data breach in 2026 was reported by RansomLook as a leaked post, but the incident has not been publicly confirmed. The post did not disclose an affected-person count or specific data types.

Healthcare

Interim HealthCare (Oklahoma and Tulsa)

Discovered Aug 10, 2026

Interim HealthCare (Oklahoma and Tulsa) data breach in 2026 was reported on a ransomware tracker, but the incident has not been publicly confirmed. Available details do not disclose the affected count or what data, if any, was taken.

Oculus Pathology

Discovered Aug 10, 2026

Oculus Pathology experienced a data breach in 2026 involving unauthorized access to employee email accounts, potentially exposing sensitive personal and health information.

You may be entitled to compensation

Oklahoma Manufacturing Alliance

Discovered Jul 28, 2026

The Oklahoma Manufacturing Alliance experienced a claimed ransomware incident in July 2026, with the Booba Project taking responsibility for exfiltrating 10 GB of internal files.

Case & Associates Properties

Discovered Jul 17, 2026

Case & Associates Properties experienced a data breach in 2026, allegedly impacting an unknown number of individuals.

You may be entitled to compensation

High

NAVIENT CORP

Discovered Jul 2, 2026

Navient Corp experienced a third-party data breach in June 2026, where unauthorized access to a law firm's systems exposed the personal data of approximately 2.5 million student loan borrowers.

Nissan North America

Discovered Jun 27, 2026

Nissan North America experienced a data breach in June 2026 involving unauthorized access to its Oracle PeopleSoft software, potentially exposing employee information. The full scope of the breach and the exact number of affected individuals are still under investigation.

You may be entitled to compensation

Investigation Open

Banking

Optimum First Mortgage

Discovered Jun 19, 2026

Optimum First Mortgage experienced a reported data breach in June 2026, with a ransomware group claiming responsibility. The full extent of data exposure and affected individuals remains unconfirmed by the company.

You may be entitled to compensation

Telecommunications

AT&T

Discovered May 30, 2026

The purported 2026 data breach at "Lee Law Offices" is a misidentification. The research indicates a major AT&T data breach affecting over 100 million individuals in 2024, which frequently causes confusion in data security discussions.

Mays Home Care

Discovered May 15, 2026

Mays Home Care experienced a data breach in 2026, impacting 5,208 individuals.

You may be entitled to compensation

Investigation Open

Education

Medium

Instructure

Discovered May 3, 2026

Instructure, provider of the Canvas learning management system, confirmed a data breach in May 2026, leading to an investigation into a potential class action lawsuit.

You may be entitled to compensation

Hospitality

Medium

Restaurant Management Co.

Discovered Apr 22, 2026

Restaurant Management Co. experienced a data breach in 2025 where personal information may have been accessed.

Insurance

First Trinity Financial

Discovered Apr 1, 2026

First Trinity Financial, an Oklahoma-based insurance holding company, experienced a data breach in April 2026 due to a ransomware attack by the dragonforce group, as reported by ransomware tracking sites.

State of Oklahoma

Discovered Mar 27, 2026

The State of Oklahoma experienced a data breach in March 2026 involving unauthorized access to W-2 and 1099 tax files within the OkTAP system.

You may be entitled to compensation

High

Quinton L. Hiebert CPA, PC

Discovered Mar 20, 2026

Quinton L. Hiebert CPA, PC experienced a data breach in July 2025 that affected 937 individuals, including residents of Maine.

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Discovered Mar 17, 2026

Stevent Bail Bonds experienced a data breach in late 2025, which was publicly disclosed in early 2026, impacting over a million individuals.

You may be entitled to compensation

Eyemart Express

Discovered Mar 10, 2026

Eyemart Express experienced a ransomware data breach in March 2026, impacting individuals across 42 states.

You may be entitled to compensation

Technology

CarGurus, Inc.

Discovered Feb 24, 2026

CarGurus, Inc. experienced a data breach in February 2026, reportedly compromising the data of millions of user accounts and corporate records.

Government

Medium

Cheyenne & Arapaho Tribes

Discovered Feb 17, 2026

The Cheyenne & Arapaho Tribes experienced a ransomware attack in late 2025 that disrupted IT systems, but the tribe has stated no data loss has been confirmed as of February 2026.