Knox McLaughlin Gornall Sennett, P.C. Data Breach Investigation

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.

Contact Us

Learn about your legal rights

Please enable JavaScript in your browser to complete this form.
Name
Terms & Conditions and Privacy Policy

What can you do if you were impacted by a data breach?

If you were impacted by a data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by the company;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

Contact Us Now

Please enable JavaScript in your browser to complete this form.
Name
Terms & Conditions and Privacy Policy

What can you do if you were impacted by a data breach?

If you were impacted by a data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in any free credit monitoring services provided by the company;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

One Magnificent Mile
980 N Michigan Avenue, Suite 1610
Chicago, Illinois 60611

Phone: 872.263.1100
Toll Free: 866.748.6220

One Magnificent Mile
980 N Michigan Avenue, Suite 1610
Chicago, Illinois 60611

Phone: 872.263.1100
Toll Free: 866.748.6220

©2025 STRAUSS BORRELLI PLLC. ALL RIGHTS RESERVED. ATTORNEY ADVERTISING.
PRIVACY POLICY  |  TERMS & CONDITIONS  |  COOKIE POLICY

©2025 STRAUSS BORRELLI PLLC. ALL RIGHTS RESERVED. ATTORNEY ADVERTISING.

PRIVACY POLICY  |  TERMS & CONDITIONS  |  COOKIE POLICY