Cardinal Services, Inc., along with Cardinal Employer Organization and Preferred Employer Solutions (collectively referred to as “Cardinal”), is a company often involved in managing sensitive employee data for its clients, acting as a Professional Employer Organization (PEO). In this role, they handle information vital for payroll, taxes, and benefits administration.
In May 2026, Cardinal officially disclosed a data security incident to the Maine Attorney General. This report confirmed that unauthorized parties gained access to their network systems. If you have received a notification letter from Cardinal, it signifies that your personal information was likely stored within their systems at the time of this security breach.
The exposure of your personal information, even if specific details are not yet fully clear, can lead to various risks. These might include potential identity theft, fraudulent activities, or other forms of misuse of your data. The notification letter you received is intended to alert you to this risk and guide you on initial steps to protect yourself.
To safeguard your interests, it's generally advised to remain vigilant. Regularly review your financial account statements and credit reports for any suspicious activity. Consider placing a fraud alert or credit freeze on your credit files to prevent new accounts from being opened in your name without your authorization.
For those who received a data breach notification letter from Cardinal, there may be legal options available. Attorneys are currently investigating this incident to determine whether a class action lawsuit is appropriate. If you are concerned about your exposed personal information and want to understand your potential legal rights, you may be eligible for a free case review.