RansomwareLawGroup.com

> Cause not stated in filing

HydroServe LLC dba Gustavo Preston Company data breach investigation

Filed
December 19, 2025
Regulator
Indiana AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • HydroServe LLC dba Gustavo Preston Company 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

HydroServe LLC, doing business as Gustavo Preston Company, appears to be an industrial or commercial service provider specializing in fluid handling, pumping systems, and mechanical infrastructure solutions. As a business operating in this sector, the company typically collects and stores sensitive information including employee payroll records, vendor banking details, service contract data, and client contact information. This breach was officially reported to the Indiana Attorney General in 2025, and individuals impacted by the incident have been sent a formal data breach notification letter. If you have received such a notice, it indicates that your personal information held within the company's systems may have been accessed or acquired by an unauthorized party during the security incident.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether HydroServe LLC dba Gustavo Preston Company 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.

HydroServe LLC dba Gustavo Preston Company data breach questions

Is the HydroServe LLC dba Gustavo Preston Company data breach letter legit or a scam?
A notice from HydroServe LLC dba Gustavo Preston Company in the mail matches the breach HydroServe LLC dba Gustavo Preston Company reported to the Indiana Attorney General on December 19, 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 HydroServe LLC dba Gustavo Preston Company through a phone number or website you find yourself.
Did HydroServe LLC dba Gustavo Preston Company offer free credit monitoring?
Any free monitoring HydroServe LLC dba Gustavo Preston Company is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Using the free service won't stop you from joining a lawsuit or settlement later.
Is there a HydroServe LLC dba Gustavo Preston Company 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 HydroServe LLC dba Gustavo Preston Company. 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 HydroServe LLC dba Gustavo Preston Company 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 HydroServe LLC dba Gustavo Preston Company 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 HydroServe LLC dba Gustavo Preston Company 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 HydroServe LLC dba Gustavo Preston Company data breach settlement or claim be worth?
There is no set amount, and no HydroServe LLC dba Gustavo Preston Company 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.