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Herman & Chamow, CPAs data breach investigation

Herman & Chamow, CPAs, an Indiana accounting firm, reported a data breach on June 3, 2026, confirming unauthorized access to its systems. This incident may have exposed client personal information. Individuals who received a notification should carefully consider the potential impact and their options.

Filed
June 3, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • Herman & Chamow, CPAs reported the incident to the Indiana Attorney General.

Still unknown

  • Which categories of personal information were taken. The filing does not list them.
  • How many people were affected. The filing does not give a number.
  • What caused the incident beyond the description in the filing.
  • How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.

Investigation notes

Herman & Chamow, CPAs, a professional accounting and tax services firm based in Indiana, officially reported a data breach incident to the Indiana Attorney General on June 3, 2026. This notification confirms that unauthorized parties gained access to the firm's systems. The breach date itself is noted as November 3, 2025, indicating a significant period before public disclosure.

While the specific types of personal information compromised have not been detailed in the public record, Herman & Chamow, CPAs typically handles highly sensitive client data in its tax preparation, auditing, and financial planning services. The firm's filing indicates unauthorized access occurred, raising concerns about the scope of data potentially viewed or acquired by the unauthorized party over several months.

If you received a data breach notification letter from Herman & Chamow, CPAs, it signifies that your personal information was identified as potentially involved in this incident. Such letters are intended to inform you of the breach and any steps the company is taking. It is important to carefully review this document for any specific details or offers of credit monitoring.

While the full extent of the incident is still under investigation, individuals affected should remain vigilant. Review your financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit if you have concerns about potential misuse of your personal information.

Our firm is actively investigating the circumstances surrounding the Herman & Chamow, CPAs data breach. This includes examining the timeline of the incident, the security measures in place, and the timeliness of the notification provided to affected individuals. Understanding the company's responsibilities to protect client data is a key aspect of our inquiry.

If your personal information was exposed in this breach, you may have legal questions about your rights and potential recourse. We offer a confidential case review to discuss your situation and help you understand your options. This is attorney advertising and does not create an attorney-client relationship.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Herman & Chamow, CPAs used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Indiana.

Herman & Chamow, CPAs data breach questions

Is the Herman & Chamow, CPAs data breach letter legit or a scam?
A notice from Herman & Chamow, CPAs in the mail matches the breach Herman & Chamow, CPAs reported to the Indiana Attorney General on June 3, 2026. 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 Herman & Chamow, CPAs through a phone number or website you find yourself.
Did Herman & Chamow, CPAs offer free credit monitoring?
Check your letter from Herman & Chamow, CPAs. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
Is there a Herman & Chamow, CPAs 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 Herman & Chamow, CPAs. 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.
What should I do after getting the Herman & Chamow, CPAs 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.
Do I need a Herman & Chamow, CPAs data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue Herman & Chamow, CPAs over the data breach?
It depends on what was exposed, the law in Indiana 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.
How much could a Herman & Chamow, CPAs data breach settlement or claim be worth?
There is no set amount, and no Herman & Chamow, CPAs 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 open files in Indiana

Attorney advertising. An incident file reflects a public regulator filing and our review of it; 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.