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Ransomware victim disclosure

All victims

Erdem Hospital

Claimed by Direwolf · listed 16 hours ago

Today
Age
since listed · data leaked

Status timeline

  1. ListedAug 30, 2026
  2. Data leakeddate unknown

At a glance

Status
Data leaked
Country
Türkiye
Listed on leak site
Aug 30, 2026

About the victim

AI dossier — public-source company profile

Erdem Hospital is a multi-location healthcare provider operating facilities in Ümraniye, Çamlıca, and Güneşli in Turkey. The hospital provides general medical services including surgical procedures, diagnostic services, and inpatient care, with integrated digital patient management and appointment systems.

Industry
Healthcare - Hospital Services

Attack summary

Severity: critical — Confirmed exfiltration of 260GB including protected health information (patient medical records, identities, treatment data), personally identifiable information (employee national IDs, CVs, payroll), and regulated financial/insurance data from a healthcare provider. Scale and sensitivity of regulated healthcare data warrants critical classification.

The direwolf group claims to have exfiltrated 260GB of data from Erdem Hospital's administration and ERP systems, including patient medical records, financial data, HR personnel files, and operational documentation. The group has published a detailed inventory of compromised data categories but has not disclosed specific proof files or screenshots.

critical

Data the group says was taken

AI dossier — extracted from the leak post
  • Patient medical records and treatment histories
  • Surgical consent forms
  • Social Security Institution (SGK) invoices and healthcare transactions
  • Insurance claim and reimbursement data
  • Patient names and identities
  • Employee CVs and employment contracts
  • National ID copies
  • Payroll and salary records
  • Hospital financial records (budgets, expenditures, ledgers)
  • Legal documentation and corporate contracts
  • Occupational health and safety examination reports
  • Patient complaint and rights advocacy records

What the group claims

Hospitals

The leak post

captured from the group's site
```
{"article":{"id":114,"title":"Erdem Hospital","content":"\u003ch3\u003eHospital Management System – Departmental Data Inventory\u003c/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c/th\u003e\n\u003cth\u003eDetails\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c/strong\u003e\u003c/td\u003e\n\u003ctd\u003eHospital administration file system / ERP data modules covering medical accounting, patient services, HR, legal, and finance\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCore Modules \u0026amp; Records\u003c/strong\u003e\u003c/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMedikal Muhasebe (Medical Accounting)\u003c/strong\u003e: SGK (Social Security Institution) invoices, social security/healthcare transactions, dialysis reimbursement records, patient identity + treatment + insurance combinatorial datasets.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHasta Hizmetleri (Patient Services)\u003c/strong\u003e: Surgical consent forms (\u003cem\u003eAMELİYAT ONAM FORMLARI\u003c/em\u003e), patient name directory (incl. \u003cem\u0…

Sources

Source

Indexed 16 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 direwolf

Direwolf is a ransomware group that emerged in May 2025 with primarily financial motivations, having targeted 71 known victims across multiple sectors and geographic regions. The group's origin and potential affiliations remain undocumented in public threat intelligence reports, with no confirmed information regarding whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and technical capabilities have not been extensively documented by major cybersecurity firms or government agencies, though their targeting patterns indicate a focus on manufacturing, technology, healthcare, and transportation/logistics sectors across Malaysia, the United States, Thailand, Singapore, and Taiwan. No major high-profile campaigns or significant ransomware demands have been publicly attributed to this group by CISA, FBI, or established security researchers such as Mandiant. Given the group's recent emergence and limited public documentation, their current operational status and long-term threat posture remain unclear, requiring continued monitoring by the cybersecurity community to establish a more comprehensive threat profile. The group has been linked to 119 public disclosures across our corpus. First observed on a leak site on May 27, 2025; most recent post August 31, 2026. The operation is currently active.

Also tracked as: DIRE WOLF.

Timeline of this disclosure

  • August 30, 2026Erdem Hospital listed by direwolfon the group's public leak site

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, Erdem Hospital is reported in Türkiye, a country with 31 ransomware disclosures in our corpus.

If your organisation is affected

A listing by direwolf means Erdem Hospital 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.
  • Monitor for the data appearing on direwolf'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.