The Qilin ransomware group claimed Composition Systems as a victim on March 11, 2026. This claim is based on information from ransomware tracking sites, and there is no official confirmation from the company or regulators regarding the incident.
Currently, there is no public information available regarding the number of individuals affected, the specific types of data exposed (such as SSN, medical, or financial data), or the states impacted. No official breach notifications or company statements have been released.
As this incident was reported very recently, more details may emerge later from official sources.