Was Riviera Healthcare Center hit by ransomware?

Riviera Healthcare Center was listed by the Interlock ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Interlock ransomware group?

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

What data was leaked in the Riviera Healthcare Center breach?

Interlock published data attributed to Riviera Healthcare Center. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Riviera Healthcare Center

Claimed by Interlock · listed 5 hours ago

Today

Age

since listed · data leaked

Status timeline

ListedOct 7, 2026
Data leakeddate unknown

At a glance

Group: Interlock
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: Oct 7, 2026

About the victim

AI dossier — public-source company profile

Riviera Healthcare Center is a for-profit skilled nursing facility that has operated for over 50 years, providing 24-hour nursing and rehabilitation services to patients requiring post-acute care.

Industry: Skilled Nursing Facilities & Rehabilitation Services
Founded: 1974

Attack summary

Severity: critical — Confirmed exfiltration of regulated protected health information (PHI) at scale in a healthcare setting, subject to HIPAA compliance requirements. Exposure includes sensitive medical records, diagnoses, and financial/payment data affecting multiple patients and staff.

The group claims to have exfiltrated patient protected health information (PHI) including names, diagnoses, medical histories, fall/fracture and treatment information, payment records, and employee/HR data from the facility due to poor security practices.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient names
Medical diagnoses
Medical histories
Fall and fracture records
Treatment information
Payment records
Employee/HR data

What the group claims

Riviera Healthcare Center is a for-profit skilled nursing facility in operation for over 50 years. It provides 24-hour nursing and rehabilitation services. Due to negligence and poor security practices, confidential data was exposed, including patient protected health information (PHI)names, diagnoses, medical histories, fall/fracture and treatment information, payment records, and employee/HR data. This breach violates HIPAA and the California CMIA (and potentially the CCPA/CPRA) and will result in mandatory breach notification, federal and state fines, civil lawsuits, corrective action plans, and significant reputational and financial damage.

Sources

Victim sitehttps:rivierahealthcare.com
Leak posthttp://puvoz5h52oepibye5hqzvfyhqhsfxzmzkr7v4tjtioxe3qaao2b6faqd.onion/index.php?p=

Source

Indexed 5 hours 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 Interlock

Interlock is a recently emerged ransomware group that began operations in October 2024, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's country of origin and potential affiliations remain unclear given their recent emergence, with insufficient public documentation to determine whether they operate as an independent entity or under a Ransomware-as-a-Service model. Limited public information exists regarding their specific attack methodologies, initial access vectors, or encryption techniques, as major cybersecurity firms and law enforcement agencies have not yet published comprehensive technical analyses of their operations. Since beginning operations, Interlock has reportedly compromised approximately 100 victims, with their targeting primarily focused on organizations in English-speaking countries including the United States, Canada, United Kingdom, and Australia, as well as Italy, while demonstrating a preference for attacking education, manufacturing, healthcare, and public sector entities. The group remains active as of late 2024, though comprehensive threat intelligence profiles from established security research organizations have not yet been published due to the group's recent emergence in the threat landscape. The group has been linked to 132 public disclosures across our corpus. First observed on a leak site on October 13, 2024; most recent post October 7, 2026. The operation is currently active.

Timeline of this disclosure

October 7, 2026Riviera Healthcare Center listed by Interlock on the group's public leak site

Other recent disclosures by Interlock

Interlock has been linked to 132 public victims on Darkfield. A sample of the most recent:

See the full Interlock dossier →

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,610 disclosures indexed across all operators we track. Geographically, Riviera Healthcare Center is reported in United States, a country with 3,175 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Interlock means Riviera Healthcare Center 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 Interlock'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.