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. On May 20, 2025, Kettering Health became aware of a cybersecurity incident that impacted its IT network. As the investigation progressed, Kettering Health confirmed that a ransomware group known as Interlock was behind the attack. If you received a data breach notification letter from Kettering Health, you are likely affected.