high severity December 05, 2023 · 4 min read Unverified claim — what this is

Dameron Hospital Listed by RansomHouse Ransomware Group

If you were named in this filing, here’s what is being claimed, and what it would mean for you.

Dameron Hospital provides acute and tertiary level care. This hospital provides cardio, emergency, pharmacy, physical therapy, and a variety of other individual and family health care services. Dameron is headquartered in Stockton, California.
— from RansomHouse’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.

Dameron Hospital Listed by RansomHouse Ransomware Group

On December 5, 2023, Dameron Hospital in Stockton, California, appeared on the leak site operated by the ransomhouse ransomware group. The listing states that internal files were exfiltrated during a ransomware attack on the acute-care and tertiary medical provider. The disclosure does not specify the number of individuals affected or list exact data types beyond claiming that internal files were taken.

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Details from the Leak-Site Listing

The ransomhouse page, accessible via the .onion link hosted on ransomware.live, identifies Dameron Hospital as a victim and claims successful data exfiltration. It does not publish samples or provide a full inventory of what was taken. The hospital itself has not yet issued a public notification quantifying impacted records or describing the precise scope of patient or employee information involved. Public reporting on similar ransomhouse listings indicates that when full data dumps are later released, they often contain spreadsheets, databases, and scanned documents pulled from compromised networks.

Dameron Hospital offers cardio, emergency, pharmacy, physical therapy, and family health services across its Stockton facilities. Any records stored on its internal systems could include names, addresses, dates of birth, Social Security numbers, medical histories, insurance details, and treatment records for thousands of patients and staff.

Why This Matters for You and Your Family

If you or any member of your family has received care at Dameron Hospital, your personal and medical information may now sit in an attacker-controlled archive. Medical data is especially sensitive because it combines identity details with protected health information that retains value to identity thieves for years. Even when the leak-site listing does not detail exact record counts, the exposure of internal files from a regional hospital typically affects current and former patients along with employees. This creates long-term risks of fraud, insurance abuse, and targeted phishing that can follow you or your children for a decade or more.

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Report details & sourcing

Attributed to RansomHouse · 217 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed December 05, 2023

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

Unverified claim — what this report is

This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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RansomHouse — 217 incidents tracked

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