Nassau OOGP Vision Group, a provider of vision care services based in Dallas, Texas, has informed individuals about a significant ransomware attack on its systems. The cyberattack, which occurred on their website oogp.com, resulted in the exfiltration of 63GB of sensitive data, including medical information and personal documents. The group is working to notify affected individuals and is taking steps to help mitigate the impact of the breach.
Nassau OOGP Vision Group Data Breach Investigation
On February 13, 2026, Nassau OOGP Vision Group became aware of a ransomware attack carried out by a cybercriminal group identified as Cactus. The attack led to the unauthorized access of their systems, during which an estimated 63GB of data was exfiltrated, including medical information, agreements, financial data, and personally identifiable information (PII).
The attacker deployed ransomware on the system, but there is no indication of a ransom demand being made or a deadline set for the payment. A sample of the exfiltrated data was leaked, raising further concerns about the potential misuse of the sensitive information.
The affected data may have included the following types of information:
As soon as the breach was detected, Nassau OOGP Vision Group began the investigation and took immediate steps to secure their systems and prevent further data exfiltration. The company has since worked with forensic specialists to assess the full extent of the damage.
The group is now in the process of notifying the affected individuals, sending notices via U.S. Mail. Given the nature of the data involved, individuals whose information was affected are encouraged to take steps to protect themselves.
When Did This Breach Occur?
The ransomware attack took place on or before February 13, 2026, with the data exfiltration occurring during that time. The 63GB of sensitive data was leaked by the attackers, though there was no ransom demand made.
What Information Was Breached?
The following types of sensitive information may have been exposed during the breach:
This sensitive data can be misused for identity theft, fraud, and other malicious activities, making it crucial for those affected to take immediate action to safeguard their personal information.
What You Can Do
If you were impacted by the Nassau OOGP Vision Group data breach, here are some important steps to protect yourself:
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Monitor Your Accounts: Regularly review your financial accounts and health records for any unauthorized transactions or activity.
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Sign Up for Credit Monitoring: If offered, sign up for any credit monitoring services provided by Nassau OOGP Vision Group or third-party providers.
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Place Fraud Alerts or Credit Freezes: Contact the major credit bureaus (Equifax, Experian, and TransUnion) to place fraud alerts or security freezes on your credit to prevent unauthorized access.
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Review Your Medical Records: Since medical information was compromised, you should closely monitor your medical records for any discrepancies or fraudulent activity.
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Report Suspicious Activity: If you detect any fraudulent activity, contact your bank, credit card provider, and law enforcement authorities. Additionally, report any identity theft to the Federal Trade Commission (FTC).
By following these steps, you can reduce the likelihood of identity theft and minimize the damage caused by this data breach.
File a Data Breach Lawsuit Against Nassau OOGP Vision Group
If you received a data breach notification from Nassau OOGP Vision Group and your personal data was exposed, you may be entitled to compensation. The exposure of medical and financial information can have long-term consequences, and those affected may face financial losses, emotional distress, or identity theft.
If you were impacted by the breach, you may be eligible to join a class action lawsuit to seek compensation. A class action allows individuals to pool together and seek restitution for their damages resulting from the breach.
Contact Class Action U today for a free consultation. We’ll connect you with an attorney experienced in class action lawsuits who can help you navigate your legal options. Fill out our quick, easy, and secure form to learn if you have a case. There is no cost to reach out, and no obligation after speaking with our team.
