Ransomware victim disclosure

Advanced Psychiatry Associates

Claimed by everest · listed 3 days ago

Age

since listed · data leaked

Status timeline

Listed
May 28, 2026
Data leaked

At a glance

Group: everest
Status: Data leaked
Country: US
Sector: Healthcare
Listed on leak site: May 28, 2026

About the victim

AI dossier — public-source company profile

Advanced Psychiatry Associates is a psychiatric medical practice in the United States providing comprehensive mental health services. The practice offers evaluation, diagnosis, and treatment of psychiatric conditions including depression, anxiety, ADHD, and bipolar disorder, serving both adult and adolescent patients across multiple clinic locations.

Industry: Healthcare & Behavioral Health

Attack summary

Severity: critical — Confirmed data exfiltration from a healthcare provider with access to sensitive psychiatric and medical records, including patient PII and protected health information (PHI), which is highly regulated under HIPAA and other privacy laws.

Everest claims to have exfiltrated data from Advanced Psychiatry Associates. The group has published data as evidence of the attack.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient medical records
Psychiatric evaluation data
Treatment histories
Potentially personally identifiable information (PII)

Original description

AI-summarised, not from the leak post

Advanced Psychiatry Associates is a psychiatric medical practice based in the United States. The company provides comprehensive mental health services, including evaluation, diagnosis, and treatment of psychiatric conditions such as depression, anxiety, ADHD, and bipolar disorder. It operates within the healthcare and behavioral health industry, offering both medication management and therapy services to adult and adolescent patients across its clinic locations.

Sources

Leak posthttp://ransomocmou6mnbquqz44ewosbkjk3o5qjsl3orawojexfook2j7esad.onion/news/Advanced_Psychiatry_Associates/

Source

Indexed 3 days 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 everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 367 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 28, 2026. The operation is currently active.

Timeline of this disclosure

May 28, 2026Advanced Psychiatry Associates listed by evereston the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 1,779 disclosures indexed across all operators we track. Geographically, Advanced Psychiatry Associates is reported in US, a country with 2,714 ransomware disclosures in our corpus.

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.