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Normandin Cheney & O'Neil PLLC data breach

Normandin Cheney & O'Neil PLLC, an Indiana law firm, announced a data breach in August 2026, confirming exposure of highly sensitive personal and financial data. Individuals affected by this incident may face risks including identity theft and financial fraud due to the compromise of their information.

Incident readout

Company
Normandin Cheney & O'Neil PLLC
Reported to
Indiana Attorney General
Filed
August 12, 2026
People affected
Not stated in the filing
Incident type in filing
Not stated
Our review
Monitoring
Read the official filing

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.

Information listed in the filing

  • Full Name
  • Social Security Number
  • Date of Birth
  • Home Address
  • Financial Account Details
  • Tax and Compensation Information
  • Confidential Legal and Case Records
  • Email Address and Phone Number

What we know

Normandin Cheney & O'Neil PLLC, a legal services firm operating in Indiana, reported a data breach to state authorities on August 12, 2026. The incident, which the firm identified as having occurred on December 20, 2025, involved unauthorized access to its internal systems. While the exact method of attack was not specified, cyberattacks against law firms often target the extensive volume of confidential information they manage.

The firm confirmed that the compromised data included a wide array of highly sensitive personal identifiers. Specifically, exposed categories include Full Name, Social Security Number, Date of Birth, Home Address, Financial Account Details, Tax and Compensation Information, Confidential Legal and Case Records, and Email Address and Phone Number.

Attackers who obtain this type of information commonly use it for various malicious purposes. A compromised Social Security Number, combined with other personal details, is a prime target for identity theft, leading to fraudulent accounts, loans, or even tax fraud. Exposed Financial Account Details could enable direct monetary theft or unauthorized transactions, while Confidential Legal and Case Records might be exploited for targeted phishing schemes or extortion attempts.

If you have received a data breach notification from Normandin Cheney & O'Neil PLLC, it is essential to review its contents carefully. We recommend promptly monitoring your credit reports and all financial statements for any unusual activity. Consider placing a fraud alert or a credit freeze on your accounts with the major credit bureaus to help prevent unauthorized access.

Entities like Normandin Cheney & O'Neil PLLC have a legal obligation to protect the sensitive information entrusted to them. If your data was exposed in this incident, you may have legal recourse. Understanding your rights and potential options is crucial, and an attorney can help you navigate this complex situation.

See every breach reported in Indiana or read what to do after a ransomware attack.

After the Normandin Cheney & O'Neil PLLC incident: what to do and your options

What should I do after getting the Normandin Cheney & O'Neil PLLC 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.
How many people were affected by the Normandin Cheney & O'Neil PLLC data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Date of Birth, Home Address, Financial Account Details, Tax and Compensation Information, Confidential Legal and Case Records, Email Address and Phone Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Did Normandin Cheney & O'Neil PLLC offer free credit monitoring?
Any free monitoring Normandin Cheney & O'Neil PLLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Where can I see the official Normandin Cheney & O'Neil PLLC breach notice?
Normandin Cheney & O'Neil PLLC's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#normandin-cheney-oneil-pllc-2026 Compare it with the letter you received to confirm the dates and details match.
Can I sue Normandin Cheney & O'Neil PLLC 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.
Do I need a Normandin Cheney & O'Neil PLLC 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 Normandin Cheney & O'Neil PLLC 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 Normandin Cheney & O'Neil PLLC. 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 Normandin Cheney & O'Neil PLLC data breach letter legit or a scam?
A notice from Normandin Cheney & O'Neil PLLC in the mail matches the breach Normandin Cheney & O'Neil PLLC reported to the Indiana Attorney General on August 12, 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 Normandin Cheney & O'Neil PLLC through a phone number or website you find yourself.
How much could a Normandin Cheney & O'Neil PLLC data breach settlement or claim be worth?
There is no set amount, and no Normandin Cheney & O'Neil PLLC 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. The filing lists Full Name, Social Security Number, Date of Birth as involved. Keep receipts and records; they're what damages claims are built on.

Other breaches reported in Indiana

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.