Del Bono Hotel Listed by qilin Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

In June 2023, Del Bono Hotel appeared on a listing associated with the qilin ransomware group, raising practical concerns for anyone whose personal or business details may have been held on the hotel’s systems. Public detail is limited: the number of people affected remains unknown, and the precise contents of what was taken have not been independently confirmed. What is known is that the group claimed internal files were exfiltrated in a ransomware attack, which means guests, event clients, staff and suppliers connected to the San Juan, Argentina property could face lasting risks around privacy, fraud and unwanted contact.

For ordinary people, the stakes are concrete rather than abstract. Hotel operators routinely store reservation records, identification details, payment-related information and correspondence. When a ransomware group claims to have copied internal files, those records may later surface in criminal markets or be used for targeted scams. This article sets out only what has been reported, explains the actor involved, and outlines sensible next steps without speculation.

Inside the incident

According to reporting dated 9 June 2023, Del Bono Hotel was listed by the qilin ransomware group. The group’s claim states that internal files were exfiltrated from the company’s servers in a ransomware attack. No confirmed figure for the number of people affected has been made public, and technical details of how the intrusion occurred—initial access method, duration of access, or whether encryption was also deployed—remain undisclosed.

The publicly available summary describes Del Bono Hotels as the most important chain of hotels with function rooms for events in San Juan, Argentina, and notes that data taken from the company’s servers was referenced in the listing. Beyond that claim, independent verification of the volume, exact file types or subsequent distribution of the material has not been provided in the available record. Timing of the underlying intrusion itself is also undisclosed; only the date of the public listing is known.

Who is qilin?

Qilin is a ransomware operation that has been documented in open-source reporting as a group that conducts double-extortion attacks: encrypting systems while also copying data and threatening to publish it if a ransom is not paid. Like other ransomware brands active in recent years, qilin has typically relied on affiliate models in which partners gain access to victim networks, deploy the malware, and share proceeds. The group has maintained leak sites where it names organisations and, in some cases, posts samples or larger archives of stolen files to increase pressure.

Public analyses of qilin activity have noted common tactics such as exploitation of exposed remote-access services, stolen credentials, and living-off-the-land techniques once inside a network. The group has previously listed victims across multiple sectors and countries. In the present case, the appearance of Del Bono Hotel on a qilin-associated listing should be treated as the group’s claim rather than as independently verified proof of every asserted detail. No additional statements attributed specifically to qilin about this victim—beyond the listing and the assertion that internal files were taken—are contained in the available facts.

Del Bono Hotel and its sector

Del Bono Hotel operates in the hospitality sector in San Juan, Argentina, and is described in the incident summary as a leading local chain offering hotel accommodation together with function rooms for events. Organisations of this type typically manage guest reservations, event bookings, corporate and private functions, supplier relationships and day-to-day staff administration. That operational profile means they commonly hold a mix of customer contact data, identification or loyalty information, billing records, contracts and internal operational documents.

A breach claim against a hotel and events venue is consequential because the data such businesses hold is both personal and commercially sensitive. Guests and event organisers supply information in the expectation it will be used only for legitimate service delivery. Staff and contractors likewise entrust employment and payment details to the organisation. When ransomware actors claim to have copied internal files, the potential exposure extends beyond a single transaction to longer-term identity and financial risks for individuals and to reputational and regulatory exposure for the business itself. Public detail does not establish negligence or specific security failures at Del Bono Hotel; it simply records that the organisation was named in a qilin listing.

The information in question

The facts state that internal files were exfiltrated in a ransomware attack. No further breakdown of data types—such as guest lists, payment card data, identity documents, employee records or financial statements—has been disclosed in the available record. Exact contents therefore remain unconfirmed.

Hotels and event venues ordinarily process reservation and registration details, contact information, dates of stay or event, sometimes passport or national-ID data for compliance, correspondence with clients, invoices, and internal administrative files. It is reasonable to expect that material of that general character could have been among systems targeted, yet it would be inaccurate to assert that any specific category was definitively exposed. Readers should treat the scope as limited to the reported claim of internal-file exfiltration until more authoritative confirmation appears.

The real-world impact

For individuals, the primary risks are secondary misuse of personal information. If contact details, identification data or booking histories were among the files, affected people may encounter phishing messages that reference real stays or events, attempts to reset accounts using known email addresses, or broader identity-fraud efforts. Even partial records can be combined with data from other incidents to build convincing social-engineering attacks. Because the number of people affected is unknown, anyone who has stayed at, worked for, or organised an event with Del Bono Hotel in the relevant period has reason to remain alert rather than assume they were untouched.

For the organisation, a public ransomware listing can disrupt operations, strain customer trust and trigger notification or regulatory obligations depending on applicable law. Recovery from ransomware incidents often involves system restoration, forensic review and communication with affected parties—costs that are real even when ransom demands and exact file inventories stay private. None of these impacts require assuming bad faith or proven negligence; they follow from the ordinary consequences of a claimed data-exfiltration event in the hospitality sector.

If your data was in this claimed breach

If you have a past relationship with Del Bono Hotel as a guest, event client, employee or supplier, treat the incident as a prompt for basic hygiene rather than panic. Practical first steps include:

• Monitor bank and card statements for unfamiliar charges and consider requesting new cards if you previously supplied payment details to the hotel.
• Be sceptical of emails, calls or messages that reference a stay or event and urge urgent action; verify through official channels you already trust.
• Change passwords on accounts that may have shared the same credentials or email address used with the hotel, and enable multi-factor authentication where available.
• Watch for identity-fraud indicators such as unexpected credit applications or account-takeover notices.
• Keep records of any suspicious contact that appears to draw on hotel-related information.

You can also run a free exposure scan of your email address to check whether your information has already surfaced in known breach data sets. That step does not confirm or rule out involvement in this specific incident, but it can highlight whether the same address appears elsewhere and help you prioritise further protections. Public detail on this event remains limited; staying attentive to official updates from the organisation or relevant authorities is the most reliable way to learn if additional confirmed information becomes available.

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