Cliff Viessman Data Breach Lawsuit

Cliff Viessman, Inc. (CVI) has reported a cybersecurity incident that may have compromised the personal information of individuals, including your own. While the company has stated there is no evidence of misuse of the data, they are notifying affected individuals, offering resources, and recommending steps to help protect your information. If you were impacted by this breach, you may be entitled to compensation. Read on for more details.

Cliff Viessman Data Breach Investigation

On August 5, 2025, Cliff Viessman, Inc. became aware of suspicious activity within its IT network. Upon discovering the incident, the company quickly secured its network and engaged third-party cybersecurity experts to assist with the investigation. The investigation revealed that an unauthorized party had gained access to certain systems on CVI’s network and copied files from these systems.

The company immediately began reviewing the compromised files to assess the scope of the breach and determine which personal data had been exposed. This review was completed on August 12, 2025. While CVI has not found any evidence of misuse of the affected information, they are taking steps to ensure the privacy and security of personal data going forward.

CVI is also implementing additional technical safeguards and enhanced security measures to prevent similar events from occurring in the future.

When Did This Breach Occur?

The data breach was identified on August 5, 2025. The review of the compromised files was completed by August 12, 2025.

What Information Was Breached?

The breached data includes:

• Full Name
• Other personal data (specific details not provided)

What You Can Do

If you were affected by this breach, here are the steps you should take to protect your personal information:

1. Enroll in Credit Monitoring: Take advantage of the complimentary Single Bureau Credit Monitoring, Credit Report, and Credit Score services provided by Cliff Viessman, Inc. for 12 months. These services will alert you to any changes in your credit file.
2. Monitor Your Accounts: Review your financial accounts and credit reports regularly for signs of unauthorized activity or fraud.
3. Place a Fraud Alert: Consider placing a fraud alert on your credit file with the major credit bureaus to notify creditors to take extra precautions before granting credit.
4. Freeze Your Credit: A credit freeze will restrict access to your credit report and prevent unauthorized accounts from being opened in your name.
5. Contact Fraud Assistance: CVI has provided access to proactive fraud assistance to help answer any questions and guide you through next steps if you believe your data has been misused.

File a Data Breach Lawsuit Against Cliff Viessman

If you were affected by this data breach, you may have the right to pursue a class action lawsuit against Cliff Viessman. Individuals who have received a data breach notification from the credit union could be entitled to compensation for the exposure of their personal information.

At Class Action U, we can help you understand your legal options. If you believe your personal information was compromised in this breach, don’t wait—take action now.

Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or believe you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner, and no obligation after speaking with someone from our team. Don’t stand alone—join the class!