Data Breach Notifications

Entity Information

  • Type of Organization: Other Commercial
  • Entity Name: HydroServe LLC dba Gustavo Preston Company
  • Street Address: 23 Industrial Avenue
  • City: Chelmsford
  • State, or Country if outside the US: MA
  • Zip Code: 01824

Submitted By

  • Name: Dominic Sesito
  • Title: President
  • Firm name (if different than entity):
  • Telephone Number: (978) 250-3333
  • Email Address: domsestito@Gustavopreston.com
  • Relationship to entity whose information was compromised: President

Breach Information

  • Total number of persons affected (including residents): 138
  • Total number of Maine residents affected: 1
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: 10/06/2025
  • Date Breach Discovered: 11-21-2025
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with:

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification: 12/19/2025
  • Copy of notice to affected Maine residents: HydroServe_LLC_-_Notice_of_Data_Event_-ME.pdf
  • Date of any previous (within 12 months) breach notifications:
  • Were identity theft protection services offered: Yes
  • If yes, please provide the duration, the provider of the service and a brief description of the service: 1 year, IDX, credit monitoring