Kettering Health recently disclosed that it has been victim of a data breach that compromised the sensitive personal and protected health data of individuals. This data breach has led to concerns over the security of sensitive personal and protected health information entrusted to Kettering. While Kettering has not yet disclosed the ransomware group behind the data breach, CNN has claimed that Interlock ransomware was responsible for the data breach. On May 30, 2025, Kettering Health provided an update to its staff, partners, and community members about breach communications. If you received a data breach notification letter from Kettering Health, you are likely affected.