Munson Healthcare — Cyber Attacks, Breaches & Threat Activity

Related Threat Clusters

• St. Anthony Hospital Data Breach Exposes Personal Information of Over 6,600 Individuals

  A data breach at St. Anthony Hospital in Chicago may have compromised the personal information of more than 6,600 patients and staff. Hospital officials reported that in February, they discovered unauthorized access to…

  3 articles · Updated November 20, 2025
• Data Breach Exposes Personal Information of 100,000 Munson Healthcare Patients

  In 2025, a data breach at Munson Healthcare compromised the personal information of over 100,000 patients. Unauthorized access occurred through Cerner, a third-party electronic health record vendor, beginning on January…

  3 articles · Updated January 23, 2026
• St. Anthony Hospital Data Breach Exposes Personal Information of Over 6,600 Individuals

  A data breach at St. Anthony Hospital in Chicago may have compromised the personal information of more than 6,600 patients and staff. Hospital officials discovered in February that an unauthorized party accessed some…

  3 articles · Updated November 20, 2025

Recent Intelligence Reports

• Munson Healthcare confirms data breach involving patient information - 9&10 News — 9And10News · January 24, 2026
• Data breach affects 100,000 Munson Healthcare patients — Mlive · January 23, 2026
• AG Nessel reissues consumer alert following Munson Healthcare data breach — Wilx · January 23, 2026
• St. Anthony Hospital in Chicago Notifies Patients About February Data Breach — Hipaajournal · November 18, 2025

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