Ransomware.live reported on September 17, 2026, that the Metaencryptor group listed Promantra, Inc. as a victim and gave an attack timestamp on that date. A separate attorney investigation page described the incident as an unconfirmed suspected data breach based on the ransomware listing and related reporting.
No affected-individual count, exposed data types, regulator filing, or official breach notification has been publicly confirmed in the sources reviewed. The available reporting identifies Promantra as a New Jersey-based healthcare revenue cycle management and support company. The scope and nature of the reported incident remain unknown.