Moore, Ellison & McDuffie, CPAs, PA data breach
Incident readout
- Company
- Moore, Ellison & McDuffie, CPAs, PA
- Reported to
- Massachusetts Attorney General
- Filed
- February 22, 2025
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
Moore, Ellison & McDuffie, CPAs, PA operates as an established certified public accounting firm, providing comprehensive financial planning, corporate auditing, estate administration, and complex tax preparation services to individuals and businesses alike. Because of the intimate financial nature of their operations, accounting firms of this caliber routinely collect, process, and retain a vast repository of highly sensitive personal and commercial data. Clients entrust these professionals with their most confidential records, including detailed income statements, corporate ledgers, retirement accounts, and historical tax filings, making the firm a centralized hub for financially sensitive information. In 2025, Moore, Ellison & McDuffie, CPAs, PA formally reported a security incident to the Massachusetts Attorney General, signaling a critical breakdown in their digital defenses. While the exact vector of the compromise—whether driven by sophisticated malware, credential stuffing, or vulnerabilities in third-party file-sharing tools—continues to be evaluated, incidents affecting accounting and professional services firms typically involve unauthorized intrusions into secure client databases and document management systems. Malicious actors frequently target these networks specifically to harvest high-value identity credentials and financial documentation stored across legacy and cloud-based repositories. The exposure resulting from a breach at an accounting firm poses severe, cascading risks to affected individuals and business entities. The compromised dataset likely encompasses core identifiers such as Full Names, Social Security Numbers, Dates of Birth, direct deposit account details, banking routing numbers, and comprehensive historical tax return data. When cybercriminals acquire Social Security Numbers paired with complete tax documentation, the potential for sophisticated financial fraud skyrockets. Victims face an immediate threat of fraudulent tax refund filings, unauthorized credit lines opened in their names, and targeted financial account takeovers that can take years to detect and fully remediate. As a professional services provider managing sensitive consumer and corporate data, Moore, Ellison & McDuffie, CPAs, PA is bound by stringent legal and regulatory obligations under Massachusetts state data protection statutes, common law duties of care, and Federal Trade Commission guidelines. These standards require firms to implement robust administrative, technical, and physical safeguards, including multi-factor authentication, end-to-end encryption, and continuous network monitoring. The occurrence of a data breach strongly suggests that these mandated security controls may have been inadequate or improperly maintained, exposing the firm to substantial liability for failing to protect confidential client assets. Receiving an official data breach notification letter from Moore, Ellison & McDuffie, CPAs, PA serves as formal legal acknowledgment that your private information was compromised due to corporate negligence. Under modern data breach jurisprudence, the receipt of such a notice establishes legal standing to participate in a class action lawsuit, and victims are not required to demonstrate actual financial loss or identity theft to seek legal recourse. Our firm evaluates these cases on a contingency fee basis, meaning affected individuals pay nothing out of pocket, and legal fees are recovered only if a successful recovery is secured on your behalf.
See every breach reported in Massachusetts or read what to do after a ransomware attack.
After the Moore, Ellison & McDuffie, CPAs, PA incident: what to do and your options
- What should I do after getting the Moore, Ellison & McDuffie, CPAs, PA data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
- Did Moore, Ellison & McDuffie, CPAs, PA offer free credit monitoring?
- Any free monitoring Moore, Ellison & McDuffie, CPAs, PA is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
- Can I sue Moore, Ellison & McDuffie, CPAs, PA over the data breach?
- It depends on what was exposed, the law in Massachusetts and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- Do I need a Moore, Ellison & McDuffie, CPAs, PA data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- Is there a Moore, Ellison & McDuffie, CPAs, PA data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Moore, Ellison & McDuffie, CPAs, PA. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- Is the Moore, Ellison & McDuffie, CPAs, PA data breach letter legit or a scam?
- A notice from Moore, Ellison & McDuffie, CPAs, PA in the mail matches the breach Moore, Ellison & McDuffie, CPAs, PA reported to the Massachusetts Attorney General on February 22, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Moore, Ellison & McDuffie, CPAs, PA through a phone number or website you find yourself.
- How much could a Moore, Ellison & McDuffie, CPAs, PA data breach settlement or claim be worth?
- There is no set amount, and no Moore, Ellison & McDuffie, CPAs, PA settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Other breaches reported in Massachusetts
- Analytix SolutionsMassachusetts Attorney General · Filed August 7, 2026Count not stated
- Builders FirstSource, Inc.Massachusetts Attorney General · Filed August 7, 2026Count not stated
- MONROE COUNTY HEALTH CENTERMassachusetts Attorney General · Filed August 7, 2026Count not stated
- National Corporate HousingMassachusetts Attorney General · Filed August 7, 2026Count not stated
- The Chartwell Law Offices, LLPMassachusetts Attorney General · Filed August 7, 2026Count not stated
- The Financial Guys, LLC, and affiliatesMassachusetts Attorney General · Filed August 7, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.