Westchester Ellenville Hospital d.b.a. Ellenville Regional Hospital
ent_85cce4afacbcc1fdca0b7eee
Disclosures
3
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
73,304
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Westchester Ellenville Hospital d.b.a. Ellenville Regional Hospital
- Normalized
- westchester ellenville hospital dba ellenville regional hospital— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (3)newest first
- Indiana State AGas victim2026-09-16
Westchester Ellenville Hospital dba Ellenville Regional Hospital reported a data breach to the Indiana Attorney General. The breach occurred on 2025-12-18 and was reported on 2026-09-16. 19 Indiana residents were affected. 73,304 individuals affected in total.
- New Hampshire State AGas victim2026-09-15
Westchester Ellenville Hospital (d.b.a. Ellenville Regional Hospital) notified the NH Attorney General of a data security incident involving its third-party vendor, Aesto, LLC. Unauthorized access to Aesto's AWS infrastructure occurred between December 2 and December 18, 2025. ERH was notified on June 26, 2026. The incident potentially affected 22 New Hampshire residents, exposing Social Security Numbers, dates of birth, and medical record numbers. ERH offered 12 months of credit monitoring and identity theft protection.
- Massachusetts State AGas victim2026-09-01
Westchester Ellenville Hospital d.b.a. Ellenville Regional Hospital notified the MA AG of a data security incident involving third-party vendor Aesto, LLC. Unauthorized access occurred between Dec 2, 2025, and Dec 18, 2025, in Aesto's AWS environment. ERH was notified on June 26, 2026. 221 Massachusetts residents were affected. Data exposed included names, SSNs, dates of birth, medical record numbers, and physician names. ERH offered 24 months of credit monitoring.