HydroServe Data Breach Lawsuit Investigation
HydroServe recently notified regulators and customers of a cybersecurity incident that exposed certain personal information. If you received a breach notice, you may be entitled to free identity-protection services and could qualify for financial compensation. Contact our consumer-rights team to discuss your legal options.
Incident Snapshot
- Company: HydroServe LLC dba Gustavo Preston Company (HydroServe)
- Breach window: October 6 – October 14, 2025
- Discovery date: October 14, 2025
- Consumer notifications mailed: December 19, 2025
- Data involved: Name plus unspecified additional personal information
- Complimentary services offered: Credit monitoring & identity restoration through IDX
What Happened?
On October 14, 2025, HydroServe detected suspicious activity inside its computer environment. The company immediately secured the affected systems and opened an investigation. Findings confirmed that an unauthorized actor accessed certain systems between October 6 and October 14, 2025, with the ability to view or download stored data.
A document review followed to determine whose information was present and what types of data were exposed. HydroServe finished that analysis on November 21, 2025, and prepared notifications for potentially affected individuals.
What Information Was Involved?
The company’s review indicates that the following categories of information were impacted:
- Full name
- Additional personal details identified in HydroServe’s internal records (exact data elements vary by individual)
No evidence was provided to suggest misuse, but the exposed data could increase the risk of identity theft or fraud.
HydroServe’s Response
According to the notice filed with the Maine Attorney General, HydroServe:
- Secured the network immediately after detecting the intrusion
- Conducted a thorough forensic investigation
- Notified law enforcement and regulatory authorities
- Enhanced technical safeguards to strengthen system security
- Offered complimentary credit monitoring and identity restoration services through IDX
Next Steps for Affected Individuals
- Enroll in the free IDX credit monitoring and identity restoration services.
- Monitor bank, credit-card, and medical statements for suspicious charges.
- Review your credit reports for unfamiliar accounts or inquiries.
- Place a fraud alert or security freeze with major credit bureaus if necessary.
Potential Legal Claims
Data breach victims often incur unreimbursed losses, time spent restoring accounts, and heightened future risk. Current investigations focus on whether HydroServe employed adequate cybersecurity controls and whether affected consumers may recover monetary damages.
Company Overview
HydroServe LLC dba Gustavo Preston Company is a mechanical and industrial engineering firm specializing in fluid-handling systems.
- Website: hydroserve.us
- Headquarters: 23 Industrial Avenue, Chelmsford, MA, USA
- Founded: 1881
- Industry: Mechanical / Industrial Engineering
- Parent company: WILO
- Employees: 51 – 200
Frequently Asked Questions
I received a data breach letter from HydroServe — what should I do?
Follow the enrollment instructions in the letter to activate your free credit monitoring. Watch financial statements for unusual activity and retain all breach-related documents.
How do I submit a claim related to the HydroServe data breach?
Complete the contact form on this page or call our consumer-rights team. We will review your eligibility and guide you through the claim process at no cost.
Am I eligible to join a lawsuit against HydroServe?
If your personal information was involved, you may qualify. Eligibility depends on factors such as state laws and documented damages. Request a free case evaluation to learn more.
What information did the HydroServe breach expose?
HydroServe reported that names and additional personal data contained in company documents were accessible to the intruder. The exact elements vary by person.
Did HydroServe offer credit monitoring?
Yes. HydroServe is providing complimentary credit monitoring and identity restoration through IDX. Enrollment details appear in the mailed notice.
How many people were affected by the HydroServe breach?
HydroServe has not publicly disclosed an exact count. Regulatory updates will be monitored and this article will be updated as new information emerges.
How can I get the official breach notice (PDF) for HydroServe?
You can download the Maine Attorney General filing directly via the link above titled “Download Official Breach Notice (PDF).”
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