DataBreachLegalCenter.com
Received a Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively (“Cardinal”) notification letter? Read the letter guide
Investigation OpenMaine AG filing · May 20, 2026

The Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively (“Cardinal”) Data Breach: Incident Facts and Free Case Review

Cardinal Services, Inc., Cardinal Employer Organization, and Preferred Employer Solutions, collectively referred to as 'Cardinal,' appear to operate as a Professional Employer Organization (PEO) or human resources outsourcing firm. In this capacity, Cardinal typically collects and maintains sensitive employee data, including payroll records, tax documentation, and benefits administration information for the clients they serve. In 2026, the company officially reported a data security incident to the Maine Attorney General, confirming that unauthorized parties may have accessed their systems. If you received a data breach notification letter from Cardinal, it indicates that your personal information was likely stored within their network at the time of the incident. This notice is intended to inform you of the event and provide guidance on the steps you should take to protect your identity.

State
Maine
Reported
May 20, 2026

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Related data breach cases

Browse all Maine data breachesView the full case directory