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Ransomware victim disclosure

All victims

Rehabilitative Health Svc

Claimed by Beast · listed 11 months ago

11m
Age
since listed · data leaked

Status timeline

  1. ListedAug 17, 2025
  2. Data leakeddate unknown

At a glance

Group
Beast
Status
Data leaked
Listed on leak site
Aug 17, 2025

About the victim

AI dossier — public-source company profile

Rehabilitative Health Services (rhscares.com) operates in the healthcare sector in the United States, providing rehabilitative care services.

Industry
Healthcare Services

Attack summary

Severity: medium — Healthcare sector victim with confirmed data publication (disclosed status: data_published), but limited proof details and no specific inventory of sensitive records are evident from the truncated leak post.

The beast ransomware group claims to have compromised Rehabilitative Health Services and published data. The specific nature of exfiltration or encryption is not detailed in the available leak post content.

medium

What the group claims

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

The leak post

captured from the group's site
ACMARK s r o is a company that operates in the Repair Services industry. It employs 10to19 people and has 1Mto5M of revenue. The company is headquartered in Brno, South Moravian, Czech Republic.

Sources

Source

Indexed 11 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 104 public disclosures across our corpus. First observed on a leak site on July 29, 2025; most recent post June 11, 2026. The operation is currently active.

Timeline of this disclosure

  • August 17, 2025Rehabilitative Health Svc listed by beaston the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,600 disclosures indexed across all operators we track. Geographically, Rehabilitative Health Svc is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by beast means Rehabilitative Health Svc appeared on a ransomware extortion site and data attributed to it has been published. 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.