Røros Hotell Listed by medusa Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

On 28 September 2024, the Norwegian hotel operator Røros Hotell was listed on the leak site of the Medusa ransomware group. The group claims to have exfiltrated 53.80 GB of internal files during a ransomware attack. The number of people affected remains unknown, and public detail beyond the listing itself is limited. For guests, staff and partners of a hospitality business, any confirmed exposure of internal material raises practical questions about personal data and operational records.

This article sets out only what has been reported so far, places the claim in the context of how Medusa typically operates, and outlines the concrete risks that can follow when a hotel’s internal files are said to have been taken.

Breaking down the breach

According to the available report, Røros Hotell appeared on Medusa’s leak site on 28 September 2024. The listing states that internal files were exfiltrated in a ransomware attack and that the total volume of data claimed is 53.80 GB. No further technical details—such as the initial access method, the precise date of intrusion, or whether systems were encrypted—have been disclosed in the public record. The number of individuals whose information may be involved is listed as unknown.

The organisation is described in the same report as a hotel founded in 1951 that offers a cinema, children’s playgrounds and other facilities. Its listed address is Roros Hotell (Avd.300), Postboks 67, Økern 0508, Oslo, Norway. Beyond the group’s claim of 53.80 GB of internal files, no inventory of specific document types or confirmation of the breach by the hotel itself has been made public. All statements about the scale and content of the data therefore rest on the unverified listing.

The group behind it: medusa

Medusa is a ransomware operation that has been active for several years and is known for a double-extortion model. After gaining access to a network, the group typically steals data before deploying encryption, then threatens to publish the stolen material on a dedicated leak site if a ransom is not paid. Listings on that site are public claims; they do not by themselves constitute independent verification that the data were taken or that the volume stated is accurate.

Public reporting on Medusa has documented attacks against organisations in multiple sectors, including hospitality, manufacturing and professional services. The group commonly advertises the size of the alleged data set and sometimes samples of files to pressure victims. In the present case the only specific claim attached to Røros Hotell is the 53.80 GB figure and the description of the material as “internal files.” No additional statements by Medusa about this particular victim have been reported.

About Røros Hotell

Røros Hotell is a long-established Norwegian hotel that, according to the breach report, was founded in 1951. It operates facilities that include a cinema and children’s playgrounds, placing it in the hospitality and leisure sector. Hotels of this type routinely manage guest reservations, payment records, staff employment files, supplier contracts and operational documents. Even when the exact contents of a claimed data set remain unconfirmed, the nature of the business means that internal files can contain both commercial information and personal data belonging to guests and employees.

A breach affecting a hotel is consequential because the organisation sits at the intersection of travel, payment processing and temporary accommodation. Guests often supply identity documents, contact details and payment-card information; staff records may include national identification numbers and bank details. Any unauthorised access therefore carries potential consequences for privacy and for the hotel’s ability to maintain normal operations and customer trust.

What data was at risk

The only data category named in the public report is “internal files exfiltrated in a ransomware attack,” with a claimed volume of 53.80 GB. No further breakdown—such as whether the material included guest databases, financial records, employee files or correspondence—has been disclosed. Because the precise contents remain unconfirmed, it is not possible to state as fact which categories of information were taken.

Organisations in the hotel sector typically hold reservation systems, guest contact and payment data, loyalty-programme records, staff HR files and supplier contracts. These are the kinds of material that could fall under the broad label “internal files.” Until an official inventory or independent confirmation is released, however, any assumption about specific data types stays speculative. The reported figure of 53.80 GB indicates a substantial volume, but volume alone does not reveal sensitivity or the presence of personal identifiers.

The real-world impact

If the claimed internal files contain personal data, affected individuals could face risks of phishing, identity fraud or unsolicited contact. Guests whose reservation or payment details were among the material might later receive fraudulent messages that appear to come from the hotel. Employees could see employment or payroll information misused. Even purely commercial documents can be used for social-engineering attacks against the organisation or its partners.

For Røros Hotell itself the consequences may include operational disruption, costs of investigation and notification, and reputational damage among guests and business partners. Because the number of people affected is unknown and the exact data types unconfirmed, the scale of these risks cannot yet be quantified. The listing by Medusa does, however, create an immediate need for the hotel to determine what was taken and to communicate clearly with anyone whose information may be involved.

Were you affected?

If you have stayed at, worked for or done business with Røros Hotell, treat the Medusa listing as a reason to remain alert rather than as proof that your personal data have been published. Monitor bank and credit-card statements for unfamiliar charges, be cautious of unexpected emails or messages that reference a hotel stay, and consider changing passwords used for any related online accounts. Where available, enable multi-factor authentication.

You can also run a free exposure scan of your email address to check whether it has already appeared in known breach data sets. Such a scan does not confirm or rule out involvement in this specific incident, but it provides a practical first step toward understanding your wider exposure. If you believe your data may have been compromised, contact the hotel’s published data-protection or guest-services channel and, if appropriate, your local data-protection authority for further guidance.

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