Cardinal Services Reports Data Security Incident to Washington AG

Cardinal Services, Inc. and Cardinal Employer Organization reported a security incident to the Washington Attorney General on May 20, 2026. This official filing indicates that unauthorized access occurred within their systems.

Cardinal Services operates as a Professional Employer Organization (PEO) or human resources outsourcing firm, providing services such as payroll and benefits administration for client companies. While these firms generally handle various types of sensitive employee data, the public filing does not specify the exact categories of personal information involved in this particular security event.

According to the report submitted to the Washington Attorney General, an investigation into the full scope of the incident is currently underway. If you have received a formal data breach notification letter from Cardinal Services or Cardinal Employer Organization, it indicates that your personal information was contained within the affected environment.

We recommend carefully reviewing any notification letter you receive to understand the specific scope of the exposure and to learn about any identity monitoring or protection services that may be offered to you. These letters often contain details specific to your situation.

As a general precaution, consider taking steps to protect your personal information. This may include monitoring your financial accounts and credit reports for any unusual activity, and being wary of unexpected communications requesting personal details. You can also place a fraud alert or security freeze on your credit reports with the three major credit bureaus.