Was Rehabilitative Health Services (RHS) hit by ransomware?

Rehabilitative Health Services (RHS) was listed by the beast ransomware operation (United States) as a victim being extorted; data had not been published at the time of listing. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the beast ransomware group?

beast is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

Ransomware victim disclosure

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Rehabilitative Health Services (RHS)

Claimed by Beast · listed 3 months ago

Age

since listed · listed for ransom

Status timeline

ListedMay 31, 2026

Current state: Listed for ransom

At a glance

Group: Beast
Status: Listed for ransom
Country: United States
Sector: Healthcare
Listed on leak site: May 31, 2026

About the victim

AI dossier — public-source company profile

Rehabilitative Health Services (RHS) is a medical and mental health facility in Ammon, Idaho, providing addiction recovery, family medicine, therapy, counseling, and psychological testing. Operating for over 25 years, RHS serves clients from childhood to adulthood with a focus on trauma recovery and mental health support.

Industry: Healthcare: Mental Health & Addiction Services
Address: Ammon, ID, United States
Founded: 1999

Attack summary

Severity: high — Healthcare provider with patient mental health and addiction treatment records; exposure of such sensitive medical and psychological data affecting vulnerable populations constitutes high severity regardless of proof quantity.

The 'beast' group claims to have compromised RHS and listed the victim on their leak site. The specific data exfiltration or encryption details are not disclosed in the provided post excerpt.

high

Data the group says was taken

AI dossier — extracted from the leak post

Patient medical records
Mental health assessment data
Addiction treatment records
Counseling notes
Psychological testing results
Personal identifying information

What the group claims

A comprehensive medical and mental health facility located in Ammon, ID, offering services including Addiction and Recovery, Family Medicine, Therapy, Counseling, and Psychological Testing. With over 25 years in the community, RHS addresses both physical and mental well-being of clients from childhood to adulthood, and operates programs for youth and individuals with severe mental illnesses.

The leak post

captured from the group's site

Rehabilitative Health Services (RHS) is a comprehensive medical and mental health facility located in Ammon, ID, offering a diverse array of services including Addiction and Recovery, Family Medicine, Therapy, Counseling, and Psychological Testing. Established to provide quality therapy options, RHS aims to help clients overcome past trauma and navigate various mental health challenges through professional counseling and support services. With over 25 years in the community, RHS is dedicated to addressing both the physical and mental well-being of clients from childhood to adulthood. The facility also emphasizes community support and operates programs specifically designed for youth and individuals with severe mental illnesses

Screenshot of the leak post

Leak screenshot for Rehabilitative Health Services (RHS)

Sources

Leak posthttp://beast6azu4f7fxjakiayhnssybibsgjnmy77a6duufqw5afjzfjhzuqd.onion/card/rehabilitative_health_svc

Source

Indexed 3 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About beast

The Beast ransomware group is a relatively new threat actor that emerged in July 2025, operating with apparent financial motivations through their ransomware campaigns. With limited public documentation available from major security agencies, the group has demonstrated activity primarily targeting victims across the United States, United Kingdom, Brazil, South Korea, and Argentina, accumulating approximately 65 known victims since their emergence. Their targeting pattern shows a focus on healthcare organizations, manufacturing companies, educational institutions, and construction firms, suggesting an opportunistic approach rather than highly specialized sector expertise. The group's recent emergence means there is insufficient public intelligence from CISA, FBI, Mandiant, or other established security researchers regarding their specific attack methodologies, initial access vectors, or technical capabilities. Given the timeline of their first observation in mid-2025, Beast represents an active and emerging threat with their current operational status remaining unclear due to limited threat intelligence reporting from authoritative sources. The group has been linked to 106 public disclosures across our corpus. First observed on a leak site on July 29, 2025; most recent post August 25, 2026. The operation is currently active.

Timeline of this disclosure

May 31, 2026Rehabilitative Health Services (RHS) listed by beaston the group's public leak site

Other recent disclosures by beast

beast has been linked to 106 public victims on Darkfield. A sample of the most recent:

See the full beast dossier →

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,608 disclosures indexed across all operators we track. Geographically, Rehabilitative Health Services (RHS) is reported in United States, a country with 3,164 ransomware disclosures in our corpus.

If your organisation is affected

A listing by beast means Rehabilitative Health Services (RHS) appeared on a ransomware extortion site and is being pressured to pay before any publication. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on beast's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.