Data Breach Notifications

Entity Information

  • Type of Organization: Other Commercial
  • Entity Name: H2O.ai
  • Street Address: 2307 Leghorn St.
  • City: Mountain View
  • State, or Country if outside the US: CA
  • Zip Code: 99043

Submitted By

  • Name: Andrew Tannenbaum
  • Title: Mr.
  • Firm name (if different than entity): A&O Shearman Sterling
  • Telephone Number: (212) 756-1157
  • Email Address: andrew.tannenbaum@aoshearman.com
  • Relationship to entity whose information was compromised: Counsel

Breach Information

  • Total number of persons affected (including residents): 734
  • 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: December 20, 2024 to 01
  • Date Breach Discovered: February 18, 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: March 27, 2025
  • Copy of notice to affected Maine residents: Sample_Notification_Letter.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: 12-months of services of Experian IdentityWorks. Credit monitoring and enhanced call services.