Data Breach Notifications

Entity Information

  • Type of Organization: Healthcare
  • Entity Name: Children's Center of Hamden
  • Street Address: 1400 Whitney Avenue
  • City: Hamden
  • State, or Country if outside the US: CT
  • Zip Code: 06517

Submitted By

  • Name: Maria Efaplomatidis
  • Title: Partner
  • Firm name (if different than entity): Constangy, Books, Smith & Prophete, LLP
  • Telephone Number: (917) 414-8991
  • Email Address: mefaplomatidis@constangy.com
  • Relationship to entity whose information was compromised: Attorney

Breach Information

  • Total number of persons affected (including residents): 5213
  • Total number of Maine residents affected: 3
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: December 22, 2024
  • Date Breach Discovered: August 07, 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: August 28, 2025
  • Copy of notice to affected Maine residents: (ME)_TCCOH_Regulatory_Notification.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 TransUnion identity theft and protection