Mark L. Karno & Associates, LLC Data Breach Lawsuit Investigation
If you received a data-breach notice from Mark L. Karno & Associates, LLC, your personal information may have been exposed through unauthorized access to an employee email account. Use the details below to understand what happened, the protections being offered and how you can assert your legal rights.
Action step: Affected consumers can explore potential claims for compensation and enroll in the complimentary credit-monitoring service referenced in the official notice.
Download Official Breach Notice (PDF)Key Incident Timeline
- September 17, 2024: Suspicious activity detected in an employee email account.
- Immediate action taken to secure the firm’s email system and network; third-party forensic specialists engaged.
- August 7, 2025: Comprehensive review of the compromised mailbox completed, identifying individuals whose data may have been present.
- October 9, 2025: Written consumer notifications mailed.
- October 10, 2025: Breach report filed with the Maine Attorney General.
What Data Was Exposed?
The investigation indicates the following information could be at risk:
- First and last name
- Additional data elements referenced in the notice (not specified in the public filing)
How Mark L. Karno & Associates, LLC Responded
According to the firm’s notice filed in Maine:
- Secured the affected email account and broader network infrastructure.
- Retained independent cybersecurity specialists to investigate the scope of the intrusion.
- Provided affected individuals with complimentary credit-monitoring and identity-protection services through IDX.
- Supplied guidance on additional steps consumers can take to reduce the risk of fraud and identity theft.
Recommended Steps for Impacted Individuals
The official notice advises recipients to:
- Enroll in the free identity-monitoring service using the instructions included in the mailed letter.
- Review bank, credit-card and other financial statements for unauthorized charges.
- Obtain and monitor credit reports for new or unfamiliar accounts.
- Promptly report any suspicious activity to your financial institution.
Company Overview
- Industry: Legal Services
- Year founded: 1994
- Headquarters: 33 N LaSalle St., Suite 3500, Chicago, IL, USA
- Employee count: 11
- Website: karnolaw.com
Frequently Asked Questions
What happened at Mark L. Karno & Associates, LLC?
An unauthorized party accessed a single employee email account on September 17, 2024, potentially exposing personal data contained in that mailbox.
How can I enroll in the free credit monitoring?
Enrollment instructions and an activation code are provided in the mailed notification from Mark L. Karno & Associates, LLC. The service is administered by IDX at no cost to you.
Was my Social Security number compromised?
The public filing lists “first and last name” plus unspecified additional elements. Review your individual notice to confirm exactly which data related to you was present.
Can I sue Mark L. Karno & Associates, LLC for damages?
Depending on your jurisdiction and any losses sustained, you may have legal claims. Consult a qualified data-breach attorney to discuss potential compensation.
Has the firm reported the breach to regulators?
Yes. The incident was reported to the Maine Attorney General on October 10, 2025, and consumer letters were issued the previous day.