Missouri Healthcare Provider Cyberattack Exposes Data of Over 260,000 Patients

A cyberattack on Esse Health exposed personal and medical information of over 263,000 patients, prompting a wide-scale security and legal response.

Cyberattack hits Esse Health

Missouri-based healthcare provider Esse Health disclosed that personal information of more than 263,000 patients was compromised in a cyberattack discovered in April 2025. The breach affected both communication systems and sensitive data.

The independent physician group, which operates in the Greater St. Louis area, d