Strauss Borrelli PLLC, a leading data breach law firm, is investigating Knox McLaughlin Gornall Sennett, P.C. (“Knox Law”) regarding its recent data breach. The Knox Law data breach involved sensitive personal information belonging to an undetermined number of individuals.
ABOUT KNOX MCLAUGHLIN GORNALL SENNETT, P.C.:
Knox Law is law firm based in Pennsylvania. Founded in 1958, Knox Law offers solutions to businesses, families, public entities & nonprofits.2 Additionally, Knox Law specializes in various practices such as Litigation, Elder Law, and Real Estate. Headquartered in Erie, Pennsylvania, Knox Law employs over 50 individuals and has additional locations in Jamestown, New York, and Pittsburgh, Pennsylvania.
WHAT HAPPENED?
Recently, Knox Law reported to the Attorney General of New Hampshire 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 around May 29, 2025, Knox Law discovered suspicious activity with an employee’s email account.1 As a result, Knox Law launched an investigation to determine the nature of the incident.
Through its investigation, Knox Law confirmed that sensitive personal information in the emails may have been accessed and acquired by an unauthorized third party on May 14, 2025. As a result, Knox Law began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. On October 1, 2025, Knox Law completed this review. While the information impacted varies depending on the individual, the type of information potentially exposed includes:
- Name
- Social Security number
On or about October 7, 2025, Knox Law began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to New Hampshire residents, Knox Law is providing affected individuals with a list of the specific types of sensitive information impacted and 12 months of complimentary credit monitoring services. A link to the breach notification letters that Knox Law filed with the Attorney General of New Hampshire is below.
If you received a breach notification letter from Knox McLaughlin Gornall Sennett, P.C.:
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.