About Knox McLaughlin Gornall & Sennett PC
Knox McLaughlin Gornall & Sennett PC, a commercial entity based in Erie, PA, recently experienced a data breach involving an external system hacking. The firm has notified affected individuals, including one resident of Maine. The breach was discovered on October 1, 2025, although it originally occurred on May 14, 2025. A total of 882 individuals were impacted by this breach.
What Happened
On May 14, 2025, we detected suspicious activity within one (1) employee’s email account. We promptly initiated an investigation of the matter and engaged cybersecurity specialists to assist with the incident response. As a result, we determined that this was an isolated event, but that certain files may have been accessed or acquired without authorization on May 19, 2025. We then worked with a third-party vendor to undertake a comprehensive review of the employee’s mailbox and, on or about [NCOA Date], learned that some of your personal information was contained within one of the files. Please note, we have no evidence of the misuse, or attempted misuse, of any potentially impacted information.
The breach affected 882 individuals, potentially compromising personal information such as names, Social Security numbers, and other identifiers. The breach was originally detected on May 14, 2025, and discovered on October 1, 2025.
Next Steps
Affected individuals are advised to remain vigilant by reviewing account statements and monitoring for suspicious activity. Knox McLaughlin Gornall & Sennett PC is offering assistance through TransUnion to help protect personal information. Users should report any fraudulent activity promptly to financial institutions and law enforcement. Additionally, affected individuals can enroll in the complimentary credit monitoring services offered to further safeguard their information.
Identity Theft Protection Services
Knox McLaughlin Gornall & Sennett PC is providing impacted individuals with 12 months of identity theft protection services through TransUnion. These services include credit monitoring, fraud assistance, and remediation services at no charge. Affected individuals can enroll by following the provided instructions and using a unique activation code. Enrollment in these monitoring services should be completed within 90 days from the date of the notification letter to ensure maximum protection.