Strauss Borrelli PLLC, a leading data breach law firm, is investigating Donelan’s Supermarkets, Inc. (“Donelan’s”) regarding its recent data breach. The Donelan’s data breach involved sensitive personal information belonging to over 1,000 individuals.
ABOUT DONELAN’S SUPERMARKETS, INC.:
Donelan’s is a supermarket chain based in Massachusetts. Founded in 1948, Donelan’s offers customers a range of grocery store goods, including baked goods, meat and seafood, dairy products, fresh produce, wines and spirits, and more.2,3,4 Additionally, Donelan’s provides catering services and recipes for customers.2 Headquartered in Littleton, Massachusetts, Donelan’s operates 3 additional store locations in Massachusetts.3,5
WHAT HAPPENED?
Recently, Donelan’s reported to the Attorney General of Maine that it had experienced a data breach in which sensitive personal identifiable information in its care may have been compromised. According to the breach notice, on or about August 14, 2025, Donelan’s detected a network security incident in which an unauthorized third party accessed its network environment.1 As a result, Donelan’s launched an investigation to determine the nature of the incident.
Through its investigation, Donelan’s confirmed that sensitive personal information in its systems may have been accessed and acquired by an unauthorized third party during the breach. As a result, Donelan’s began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:6
- Name
- Social Security number
- Financial account information
On November 17, 2025, Donelan’s began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to Maine residents, Donelan’s is providing affected individuals with a list of the specific types of sensitive information impacted and complimentary credit monitoring services. A link to the breach notification letters that Donelan’s filed with the Attorney General of Maine is below.
If you received a breach notification letter from Donelan’s Supermarkets, Inc.:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
