norm: greenwood county hospitalUSno LEI · no CIKMax severity: Low

Canonical registry

Greenwood County Hospital

ent_676bc1eb3a21625e3e31fd1c

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

—

no filed count in sample

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Greenwood County Hospital
Normalized: greenwood county hospital— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: gwch.org

Disclosure history (1)newest first

Massachusetts State AGas victim2026-08-01
Aesto, LLC, a healthcare data migration and archiving vendor for Greenwood County Hospital, experienced a network security incident impacting its AWS infrastructure. Unauthorized access occurred between December 2 and December 18, 2025, and was discovered on December 18, 2025. Protected health information, including full names and potentially other health data, for patients of Greenwood County Hospital may have been accessed or acquired. Aesto engaged external cybersecurity professionals and forensic investigators. The incident is contained. Credit monitoring services are being offered to affected individuals.