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Sullivan Environmental Services Inc data breach

Sullivan Environmental Services Inc reported a data breach in July 2026, stemming from an incident in September 2025. This incident potentially exposed sensitive personal information, including Social Security Numbers and direct deposit details, for individuals involved with the company. Victims should understand the risks and consider their legal options following this notification.

Incident readout

Company
Sullivan Environmental Services Inc
Reported to
Indiana Attorney General
Filed
July 31, 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
  • Wage and Compensation Information
  • Direct Deposit Account Details
  • Tax Record Information
  • Phone Number

What we know

Sullivan Environmental Services Inc, based in Indiana, officially reported a data security incident on July 31, 2026. This breach originated on September 4, 2025, and potentially compromised the personal information of individuals associated with the environmental engineering and remediation firm. While the specific nature of the cyberattack was not detailed, such incidents often involve unauthorized network intrusions.

The compromised data types are confirmed to include Full Name, Social Security Number, Date of Birth, Home Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Record Information, and Phone Number. The exposure of Social Security Numbers, combined with wage and banking information, creates a significant risk for identity theft, financial fraud, and unauthorized access to funds. Affected individuals should be particularly vigilant about any unusual financial activity or communications.

Companies like Sullivan Environmental Services Inc have a legal duty to protect the sensitive personal information they collect and store. The occurrence of a data breach suggests that security measures may not have been sufficient to prevent unauthorized access to these private records. Understanding this duty is key for those affected by the incident.

If you received a data breach notification letter from Sullivan Environmental Services Inc, it confirms your personal data was exposed. We recommend reviewing financial statements, credit reports, and considering identity theft protection services. Such proactive steps can help detect and mitigate potential misuse of your information early.

Victims of data breaches often have legal recourse. Our firm is currently investigating the Sullivan Environmental Services Inc data breach to understand the full scope of the incident and its implications for affected individuals. We offer free case reviews to help you understand your rights and options.

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

After the Sullivan Environmental Services Inc incident: what to do and your options

What should I do after getting the Sullivan Environmental Services Inc 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 Sullivan Environmental Services Inc 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, Wage and Compensation Information, Direct Deposit Account Details, Tax Record Information, Phone Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Did Sullivan Environmental Services Inc offer free credit monitoring?
Check your letter from Sullivan Environmental Services Inc. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. 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 Sullivan Environmental Services Inc breach notice?
Sullivan Environmental Services Inc's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#8sullivan-environmental-services-inc-2026 Compare it with the letter you received to confirm the dates and details match.
Can I sue Sullivan Environmental Services Inc 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 Sullivan Environmental Services Inc 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 Sullivan Environmental Services Inc 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 Sullivan Environmental Services Inc. 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 Sullivan Environmental Services Inc data breach letter legit or a scam?
A notice from Sullivan Environmental Services Inc in the mail matches the breach Sullivan Environmental Services Inc reported to the Indiana Attorney General on July 31, 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 Sullivan Environmental Services Inc through a phone number or website you find yourself.
How much could a Sullivan Environmental Services Inc data breach settlement or claim be worth?
There is no set amount, and no Sullivan Environmental Services Inc 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.