Meridian Health Plan of Illinois Reports Data Security Incident

Meridian Health Plan of Illinois, a managed care organization, officially reported a data security incident to the Illinois Attorney General on April 28, 2026. The company confirmed that unauthorized parties may have accessed its internal systems, potentially compromising data.

If you received a formal data breach notification letter from Meridian Health Plan of Illinois, it indicates that your personal information was likely involved. The filing does not specify the exact types of data that were accessed, referring to it generally as personal information.

Meridian Health Plan of Illinois has stated that it is currently investigating this incident. The company provides health insurance coverage and administrative services, managing significant amounts of personal information for its members.

Individuals who may be affected by this incident should remain vigilant for suspicious activity. It is advisable to carefully monitor account statements and be cautious of unsolicited communications requesting personal details.

Details about this reported data breach are based on official filings made with the Illinois Attorney General. These public records serve to inform individuals whose information may have been impacted.