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Legacy 5 Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Legacy 5 Corporate Services, LLC data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Legacy 5 Corporate Services
Legacy 5 Corporate Services, LLC is a management consulting firm based in Miamisburg, Ohio. The company provides professional services, including accounting, human resources and information technology for multiple companies. Their work often involves supporting businesses with project planning and execution in fields such as architecture, engineering and management consulting.
What happened?
On Sept. 15, 2025, Legacy 5 Corporate Services discovered that certain client data on an archival storage hard drive within its network had been encrypted by an unauthorized actor. The data breach compromised sensitive personal information belonging to current and former employees, their dependents, and some applicants from multiple companies doing business with Legacy 5.
The company began notifying affected individuals in writing on Oct. 10, 2025. The cybersecurity incident was disclosed to the Maine Attorney General's office on Oct. 9, 2025.
Information exposed
- First and last name
- Social Security number
- Date of birth
- Mailing address
- Financial account information
Companies involved in the data breach
- CESO, Inc.
- DDC Management, LLC
- TRG Advisors, LLC
- Hartizen Homes, LLC
- Legacy 5 Corporate Services, LLC
- Matrix5, LLC
- Threecore, LLC
The information at risk was primarily found in employment and compliance files, including records related to hiring, payroll, tax reporting and benefits administration. At least 1,777 individuals were impacted by the cyberattack.
Your Rights and Next Steps
If you received a notice from Legacy 5 Corporate Services or a company affected by the breach, there are important steps you can take to help protect yourself. You may be entitled to seek compensation for any harm or inconvenience caused by this cybersecurity incident.
- Communication and credit monitoring services: Review and save any notification letters you receive. Enroll in free credit monitoring and identity protection services, if offered.
- Monitor your accounts carefully: Check your financial statements regularly for suspicious activity or unauthorized transactions. If you notice anything unusual, contact your financial institution immediately.
- Fraud alert and credit reports: A fraud alert informs creditors to take extra steps to verify your identity before opening new accounts in your name. Consumers are also entitled to one free credit report annually from each credit bureau. You can request a fraud alert or a credit report by contacting any one of the three major credit bureaus.
- Seek legal help: Lawyers are ready to help you understand your rights and pursue compensation.
You May Be Entitled to Compensation
If your information was compromised in the Legacy 5 Corporate Services data breach, you may be eligible for compensation. Lawyers are currently investigating claims and are ready to help affected individuals pursue damages.
To find out if you qualify to join a lawsuit or seek compensation, complete the form below.
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