Dan Clasby Company CPAS Data Breach: SSNs Exposed
By Join The Case · Published December 31, 2025 · 6 min read
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the Dan Clasby Company CPAS 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.

Dan Clasby Company CPAS Data Breach Lawsuit Investigation

On December 30, 2025, Dan Clasby Company CPAS disclosed a data breach to the Massachusetts Attorney General after determining that sensitive personal information belonging to 65 residents had been accessed or acquired without authorization. If you received a breach letter, you may be entitled to compensation. Start a free case review today.

What Happened?

Dan Clasby Company CPAS (“the Firm”) detected a network disruption on September 3, 2025 and immediately launched an investigation with independent cybersecurity specialists. On December 19, 2025 the Firm confirmed that certain files containing personal information of Massachusetts residents had been exposed. Written notices were mailed on December 26, 2025, and the incident was formally reported to state regulators on December 30, 2025.

How Many People Were Affected?

The Firm reported that 65 individuals were impacted, all in Massachusetts.

What Information Was Involved?

According to the notice, the following data may have been compromised:

  • Name
  • Social Security number
  • Driver’s license number
  • Financial account number

Firm’s Response

After securing its systems, Dan Clasby Company CPAS:

  • Engaged third-party cybersecurity experts to investigate.
  • Implemented additional security measures to reduce future risk.
  • Provided impacted individuals with detailed guidance on protecting their identities.
  • Offered complimentary credit monitoring and identity protection services through Cyberscout, a TransUnion company. Enrollment must occur within 90 days of the notice date.
  • Established a dedicated call center at 1-800-405-6108, available Monday–Friday, 8 a.m.–8 p.m. ET.

Your Next Steps

Affected consumers should consider:

  • Enrolling in the free Cyberscout credit monitoring service by visiting bfs.cyberscout.com/activate and entering the code provided in their letter.
  • Requesting a free credit report at AnnualCreditReport.com or 1-877-322-8228.
  • Placing a no-cost security freeze or fraud alert with the credit bureaus:
  • Monitoring financial accounts for unauthorized activity.
Download Official Breach Notice (PDF)

Potential Legal Claims

Data breach victims often incur out-of-pocket costs, time, and anxiety. U.S. privacy laws may allow affected individuals to seek monetary relief if an organization failed to adequately protect their information. Our investigation focuses on whether Dan Clasby Company CPAS employed reasonable cybersecurity safeguards before the September 3 incident.

Were you notified? Complete a free case evaluation to explore your options.

Company Overview

Dan Clasby Company CPAS is a small public accounting firm headquartered at 100 Cummings Center, Suite 238C, Beverly, Massachusetts, United States. Founded in 1999, the Firm employs approximately six professionals and provides accounting and tax services.

  • Website: clasbycpa.com
  • Industry: Accounting
  • Founded: 1999
  • Employees: 6
  • Headquarters Phone (incident hotline): 1-800-405-6108

Frequently Asked Questions

I received a data breach letter from Dan Clasby Company CPAS — what should I do?

Enroll in the free Cyberscout credit monitoring within 90 days, review your credit reports, and consider placing a security freeze. Contact the dedicated hotline (1-800-405-6108) with questions.

How do I submit a claim related to the Dan Clasby Company CPAS data breach?

Complete our no-cost claim review. An attorney will assess your eligibility for compensation under state and federal privacy laws.

Am I eligible to join a lawsuit against Dan Clasby Company CPAS?

If your Social Security, driver’s license, or financial account number was exposed, you may qualify. Eligibility depends on proof of notice and any resulting damages. Start with a free consultation.

What personal information did the Dan Clasby Company CPAS breach expose?

The notice lists names, Social Security numbers, driver’s license numbers, and financial account numbers.

Did Dan Clasby Company CPAS offer credit monitoring, and for how long?

Yes. The Firm is providing complimentary Single-Bureau Credit Monitoring, credit reports, and proactive fraud assistance for 24 months through Cyberscout.

How many people were affected by the Dan Clasby Company CPAS breach?

The Firm reported the incident to the Massachusetts Attorney General with an affected total of 65 individuals.

How can I get the official breach notice PDF for Dan Clasby Company CPAS?

You can download it directly from the Massachusetts Attorney General’s website or by clicking the button above labeled “Download Official Breach Notice (PDF).”

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