Eisner Advisory Group LLC Data Breach – Investigated by Federman & Sherwood
Oklahoma City, Oklahoma (April 9, 2025) – On September 9, 2023, Eisner Advisory Group detected unusual activity involving a limited subset of its data, prompting immediate concern. In response, the company launched a comprehensive investigation to determine the nature and extent of the incident. The investigation revealed that an unauthorized party had gained access to the affected information between September 4 and September 9, 2023. During this time, specific files were accessed and acquired by an unknown individual or group.
Following this discovery, Eisner initiated a meticulous review of the compromised files to identify the types of information involved and determine which individuals may have been impacted. This detailed analysis aimed to assess the potential risks to affected parties and guide the company’s response efforts. The review process was completed on February 13, 2025.
Federman & Sherwood’s investigation aims to assess the full extent of the incident, including determining if additional information may have been compromised and the level of exposure involved. As part of their efforts, the firm urges all individuals or entities affected by the breach to stay vigilant and take proactive measures to protect their personal and financial information.
The type of information potentially exposed includes:
- Name
- Social Security number
- Driver’s license or state identification information
- Financial account information
- Date of birth
- Medical information
- Health insurance information
- Other sensitive information
What is Eisner Advisory Group?
Eisner Advisory Group operating under the brand name “EisnerAmper,” is a prominent business consulting firm offering a comprehensive suite of services, including tax advisory, accounting, and specialized consulting. The firm caters to a diverse clientele, encompassing corporations, partnerships, high-net-worth individuals, not-for-profit organizations, and entrepreneurial ventures across various industries.
If you received a data breach notification letter and would like to learn more, discuss your legal options, or participate in this case, please contact Federman & Sherwood by emailing info@federmanlaw.com or by visiting our website at www.federmanlaw.com.
FEDERMAN & SHERWOOD
(405) 235-1560