Marquette County Medical Care Facility Announces Data Breach Disclosure

Marquette County Medical Care Facility (MCMCF) has reported a data breach that was identified in March 2025. On March 3, 2025, MCMCF recognized an incident of business email compromise when contacts of the Human Resources director began receiving phishing emails originating from her Microsoft Office 365 (O365) account.

The compromised account may have exposed a range of sensitive information. MCMCF has initiated a comprehensive investigation to determine the full scope of the breach and the specific types of information that may have been affected.

In response to the incident, MCMCF is working closely with cybersecurity professionals to enhance their security protocols and implement measures to prevent future occurrences. They have also notified the affected individuals and recommended that they remain vigilant for any suspicious activity involving their personal information.

MCMCF is committed to ensuring the safety and security of its data and is taking all necessary steps to reinforce its cybersecurity defenses. Further updates will be provided as the investigation progresses.