Legacy 5 Corporate Services Data Breach Investigation

Strauss Borrelli PLLC, a leading data breach law firm, is investigating Legacy 5 Corporate Services, LLC (“Legacy 5”) regarding its recent data breach. The Legacy 5 data breach may have involved sensitive personal identifiable information belonging to over 1,700 individuals.

ABOUT LEGACY 5 CORPORATE SERVICES, LLC:

Legacy 5 is a corporate services company based in Ohio. Currently, Legacy 5 provides accounting, human resources, and IT services for its sisters companies, including CESO, Inc., DDC Management, LLC, TRG Advisors, LLC, Hartizen Homes, LLC, Matrix5, LLC, and Threecore, LLC.1,2  Services provided by the Legacy 5 sister companies range from land planning to landscape architecture, wealth and investment planning, commercial and residential construction, and more.3,4,5,6,7 Headquartered in Miamisburg, Ohio, Legacy 5 employs over 10 individuals.2

WHAT HAPPENED?

Recently, Legacy 5 reported to the Attorney General of Maine 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 about September 15, 2025, Legacy 5 discovered that certain data on an archival storage hard drive on its company networks had been encrypted.1 As a result, Legacy 5 launched an investigation to determine the nature of the incident.

Through its ongoing investigation, Legacy 5 confirmed that the sensitive personal information of employees in its network may have been accessed or acquired by an unauthorized third party during the breach.1 As a result, Legacy 5 began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:

  • Name
  • Social Security number
  • Date of birth
  • Mailing address
  • Financial account information

 

On October 10, 2025, Legacy 5 began mailing data breach notification letters to impacted individuals. Based on the breach notice being sent to Maine residents, Legacy 5 is providing affected individuals with a list of the specific types of sensitive information impacted and complimentary credit monitoring services.1 A link to the breach notification letters that Legacy 5 filed with the Attorney General of Maine is below.

If you received a breach notification letter from Legacy 5 Corporate Services, LLC:

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.

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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

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

PRIVACY POLICY  |  TERMS & CONDITIONS  |  COOKIE POLICY