Data Breach Notifications

Entity Information

  • Type of Organization: Financial Services
  • Entity Name: Leader Bank N.A.
  • Street Address: 180 Massachusetts Ave
  • City: Arlington
  • State, or Country if outside the US: MA
  • Zip Code: 02474

Submitted By

  • Name: Colm Kennedy
  • Title: Information Security Officer
  • Firm name (if different than entity):
  • Telephone Number: 7815442561
  • Email Address:
  • Relationship to entity whose information was compromised: Employee

Breach Information

  • Total number of persons affected (including residents): 4123
  • Total number of Maine residents affected: 16
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified: No
  • Date(s) Breach Occured: 05/26/2023
  • Date Breach Discovered: 08/03/2023
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with: Financial Account Number or Credit/Debit Card Number (in combination with security code, access code, password or PIN for the account)

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification: 08/30/2023
  • Copy of notice to affected Maine residents: Fiserv Notification Letter (Individuals).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: 24 months, Kroll, identity theft monitoring service