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Case File: 4Westchester Ellenville Hospital dba Ellenville Regional Hospital Data Breach

This file collects the dated facts on record for the 4Westchester Ellenville Hospital dba Ellenville Regional Hospital incident. The state report is dated September 16, 2026. The incident itself is dated December 18, 2025.

Timeline

272 days separate the incident date from the date it was reported.

  1. December 18, 2025Incident dateWhen the filing says the breach took place.
  2. September 16, 2026Report filed in IndianaDate the notice was lodged with the Indiana Attorney General.

Case facts

Filing state
Indiana
Date reported
September 16, 2026
Incident date
December 18, 2025
Receiving office
Indiana Attorney General

Case notes

On September 16, 2026, 4Westchester Ellenville Hospital, operating as Ellenville Regional Hospital, filed notice of an unspecified data breach with regulators in Indiana. The incident, which exposed personal information, was initially detected on December 18, 2025.

The specific categories of personal information compromised during this breach were not detailed in the public filing. However, it is confirmed that individuals' personal data was involved in the security incident.

As of the time of the filing, the investigation into the full scope and impact of the breach is listed as being in a 'monitoring' status. This indicates that the entity is actively observing and assessing the situation.

Individuals who receive official notification regarding this breach should carefully review the information provided. It is a general best practice to remain vigilant for any unusual activity on your personal accounts and to monitor credit reports for any unauthorized changes.

Taking general protective steps such as changing passwords for important online services and being wary of unsolicited communications, especially those asking for personal details, can help mitigate potential risks associated with the exposure of your data. Always refer to official correspondence for specific guidance.

Questions about this case file

Where does the 4Westchester Ellenville Hospital dba Ellenville Regional Hospital case file come from?
Every entry is taken from the breach report 4Westchester Ellenville Hospital dba Ellenville Regional Hospital lodged with the Indiana Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Filing source: Indiana Attorney General