Cliff Viessman, Inc. Data Breach Lawsuit Investigation
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the Cliff Viessman, Inc. data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

Cliff Viessman, Inc. Data Breach Lawsuit Investigation

Were you recently notified about the Cliff Viessman, Inc. data breach? Thousands of Social Security and driver’s license numbers are now at risk. Act quickly—find out how to protect your identity and whether you can file a claim.

What Happened?

On August 5, 2025, Cliff Viessman, Inc.—also known as Viessman Trucking—detected suspicious activity in its IT network. A forensic investigation later confirmed that an unauthorized actor copied files from certain company systems. By August 12, 2025, the review revealed that personal information belonging to 3,637 individuals had been exposed. Official consumer notices began mailing on September 10, 2025, and regulatory filings were submitted in Vermont, Montana, and New Hampshire.

What Information Was Involved?

  • Full names
  • Social Security numbers
  • Driver’s license or other government ID numbers
  • Dates of birth
  • Addresses
  • Medical and financial details (for some individuals)

Company Response

Cliff Viessman, Inc. reports that it has:

  • Secured and monitored affected systems
  • Implemented additional technical safeguards to prevent future attacks
  • Offered 12 months of TransUnion Cyberscout credit monitoring at no cost to affected individuals (enrollment required within 90 days of notice)
Download Official Breach Notice (PDF)

Steps to Protect Yourself After the Cliff Viessman, Inc. Data Breach

Even if you accept the free credit monitoring, additional vigilance is essential:

  • Enroll immediately in the complimentary credit monitoring service.
  • Review your credit reports for new accounts or inquiries you don’t recognize.
  • Set up fraud alerts or place a credit freeze with Equifax, Experian, or TransUnion.
  • Monitor bank and credit-card statements for unauthorized charges.
  • Watch for phishing emails or calls that reference Cliff Viessman, Inc. or the breach notice.
  • Contact the dedicated hotline at 1-833-426-7740 (Mon–Fri, 8 a.m.–8 p.m. ET) with questions.

Can You File a Cliff Viessman, Inc. Data Breach Lawsuit?

Data-breach litigation seeks to compensate victims for out-of-pocket expenses, lost time, and the future risk of identity theft. If you received a notice letter or believe your information was involved:

  1. Gather your breach notification letter, proof of any fraudulent activity, and time spent mitigating the incident.
  2. Consult a qualified data-breach attorney to evaluate your eligibility for compensation.
  3. Act quickly—claims are often subject to strict filing deadlines.

Note: This article is for informational purposes and does not constitute legal advice.

Frequently Asked Questions

How many people were affected by the Cliff Viessman, Inc. data breach?

The company’s filings indicate that approximately 3,637 individuals had personal data copied from its systems.

What free services is Cliff Viessman, Inc. offering?

Affected consumers receive 12 months of TransUnion Cyberscout single-bureau credit monitoring and identity-restoration services.

What should I do if I notice fraudulent activity after the Viessman Trucking breach?

Immediately contact your financial institution, file a police report if necessary, and notify the Federal Trade Commission via IdentityTheft.gov. Keep detailed records of all related expenses and communications.

Can I still sue if I accepted the free credit monitoring from Cliff Viessman, Inc.?

Usually, yes. Accepting identity-protection services does not waive your right to seek damages unless you have signed a specific release of claims—something rarely included in breach-response packages.

How long do I have to join a Cliff Viessman, Inc. data breach lawsuit?

Deadlines vary by state and the nature of claims asserted, but many statutes of limitation range from one to four years. Contact an attorney promptly to preserve your rights.

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