SysInformation Healthcare Services, LLC (d/b/a EqualizeRCM and 1st Credentialing), a revenue cycle and billing services firm, experienced unauthorized access to files and folders on its network between June 3–18, 2023. The company discovered suspicious activity in June 2023 that caused a network outage. Affected data included names and other personal information. The incident was reported to law enforcement and regulators. Notification letters were sent in April 2024.