Greenwood County Hospital notified patients in 2026 that its third-party vendor, Aesto, LLC, experienced a network security incident. The incident occurred between December 2, 2025, and December 18, 2025, within a limited portion of Aesto's Amazon Web Services infrastructure. Aesto, LLC, which provides healthcare data migration and archiving services to the hospital, confirmed the issue on May 26, 2026.
The breach potentially exposed protected health information, including names, dates of birth, medical information, driver's license numbers, financial account numbers, health insurance information, and Social Security numbers. The number of affected individuals has not been publicly disclosed. Aesto stated that it found no evidence of misuse of the exposed data.
More details, such as the exact patient count for Greenwood County Hospital, may emerge as official notifications and regulatory filings become publicly available. Consumers should monitor for further updates related to the incident.