radiologue.paris Listed by qilin Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

For patients and staff connected to radiologue.paris, a listing on a ransomware leak site raises immediate practical questions: whether medical records, contact details or internal documents could now be in the hands of criminals, and what that means for privacy and day-to-day security. Public information remains limited, yet the claim alone is enough to warrant careful attention from anyone who has used the service.

On 22 May 2025 the organisation radiologue.paris was listed by the Qilin ransomware group. The listing asserts that internal files were exfiltrated in a ransomware attack. The number of people affected is unknown, and no further Reported Details about the scale or exact contents have been released.

Breaking down the breach

What is publicly known is narrow. The incident was reported on 22 May 2025 under the headline that radiologue.paris had been listed by the Qilin ransomware group. According to the available summary, internal files were exfiltrated as part of a ransomware attack. No official confirmation of the intrusion method, the precise date of compromise, the volume of data taken, or any ransom demand has been disclosed. The number of individuals whose information may be involved remains unknown. In short, the core claim rests on the group’s leak-site listing; independent verification of the full scope has not been made public.

The group behind it: qilin

Qilin is a well-documented ransomware operation that has been active for several years, often operating under a ransomware-as-a-service model. The group typically encrypts systems and simultaneously steals data, then threatens to publish the material if payment is not made—a classic double-extortion approach. Public reporting has linked Qilin to attacks across multiple sectors, including healthcare and professional services, with victims listed on dedicated leak sites. Tactics commonly associated with the group include initial access through compromised credentials or vulnerable remote services, followed by lateral movement and data staging before encryption. In this case the group claims to have listed radiologue.paris after exfiltrating internal files; that claim has not been independently confirmed beyond the listing itself.

Who is radiologue.paris?

Radiologue.paris is a medical imaging organisation formed by the combination of the radiological groups IMEF and RIM Maussins Nollet. Public descriptions present it as an independent medical structure focused on human-centred radiology and free from non-medical financial ownership. Organisations of this type routinely handle sensitive patient information: imaging studies, referral notes, appointment records, and administrative data needed to deliver diagnostic services. Because radiology practices sit at the intersection of clinical care and personal health data, any unauthorised access can affect both individual privacy and the continuity of medical services.

What data was at risk

The only data category named in the available facts is “internal files” said to have been exfiltrated in a ransomware attack. Exact file types, patient identifiers, or volumes have not been disclosed. Medical imaging practices typically hold radiology reports, DICOM images, patient demographics, contact details, insurance or billing information, and internal administrative documents. Whether any of those categories were among the files taken remains unconfirmed. Readers should therefore treat the precise contents as unknown until further official information appears.

Why it matters

Even without a confirmed list of exposed fields, the real-world risks are concrete. Stolen medical or administrative data can be used for identity fraud, targeted phishing that impersonates the clinic, or the sale of health information on criminal markets. Patients may face unwanted contact or attempts to exploit knowledge of their medical history. For the organisation, a ransomware incident can disrupt scheduling, delay diagnostic work, and erode trust among referring physicians and patients. Because the number of people affected is unknown, the circle of potential impact cannot yet be drawn with precision, which itself prolongs uncertainty for those who have used the service.

If your data was in this claimed breach

If you have been a patient or staff member at radiologue.paris, treat the listing as a prompt for basic protective steps rather than a claimed personal compromise. Practical first actions include:

• Monitor bank and credit accounts for unexpected activity and consider a fraud alert if you notice anything unusual.
• Be cautious of emails, calls or messages that reference the clinic or your medical history; verify any request through official channels before responding.
• Change passwords for any accounts that may have reused credentials linked to the organisation, and enable multi-factor authentication where available.
• Request a free exposure scan of your email address to check whether that address has already appeared in known breach datasets.

Public detail on this incident remains limited. Continue to watch for official statements from the organisation itself, and treat any unsolicited offers of “breach assistance” with scepticism until you can confirm their legitimacy.

AICompiled with AI assistance from public sources and published under our editorial standards.