Data Breach Notifications

Entity Information

  • Type of Organization: Other Commercial
  • Entity Name: Kiernan Trebach LLP
  • Street Address: 1801 Market Street
  • City: Philadelphia
  • State, or Country if outside the US: PA
  • Zip Code: 19103

Submitted By

  • Name: Heather Deane
  • Title: Managing Partner
  • Firm name (if different than entity):
  • Telephone Number: (202) 712-7039
  • Email Address: hdeane@kiernantrebach.com
  • Relationship to entity whose information was compromised: Managing Partner

Breach Information

  • Total number of persons affected (including residents): --
  • 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: September 24, 2024
  • Date Breach Discovered: May 06, 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: May 07, 2025
  • Copy of notice to affected Maine residents: Kiernan_Trebach,_LLP_-_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: Experian, 12 months, credit monitoring and identity restoration.