RansomHub ransomware group lists www.convention.qc.ca on its leak site

• Ransomware group: RansomHub
• Country: Canada
• Sector: Hospitality
• Announcement date: March 6, 2025

RansomHub claims to have breached Convention Centre de Québec

The ransomware group known as RansomHub has published a listing on its leak site involving the Convention Centre de Québec. According to the group's announcement, the organization's systems were accessed, resulting in the alleged theft of various documents. This announcement, which appeared on the group's leak site on March 6, 2025, follows a claimed attack date of March 5, 2025. The group has provided screenshots to support their claims, which appear to display files related to the organization's internal operational processes.

Ransomware leak sites are a common tool used by cybercriminals to exert pressure on victims. In many cases, these groups employ a tactic known as double extortion. In such scenarios, threat actors do not merely encrypt an organization's data to disrupt operations; they also steal sensitive information before the encryption occurs. The threat of leaking this stolen data on a public platform serves as a powerful lever to coerce the victim into paying a ransom. By publishing screenshots of internal files, attackers aim to demonstrate the validity of their breach and increase the psychological pressure on the target organization.

Details of the alleged data leak

The information provided by the threat actor suggests that the breach involves a variety of sensitive documents. While the specific volume of data and the exact number of files have not been disclosed, the screenshots shared by RansomHub indicate that the stolen content is deeply integrated into the organization's daily business functions. The leaked materials are said to include various types of sensitive information that could impact the entity's operations.

The following types of data are allegedly included in the leak:

• Client information
• Contract details
• Financial statements
• Event plans

The exposure of such documentation, which includes internal correspondence and financial records, highlights the potential breadth of the intrusion. When attackers gain access to internal communications and contract details, they gain insights into the private dealings and strategic planning of the organization.

About the Convention Centre de Québec

The Convention Centre de Québec is a large-scale convention and event center located in Quebec City, Canada. The institution serves as a major hub for various types of gatherings, hosting a wide variety of national and international conferences, exhibitions, and corporate events. Given its role in hosting large-scale international events, the institution manages significant logistical and administrative data to facilitate its operations.

Impact and organizational implications

The alleged leak of these documents may pose significant risks to the organization's commercial operations and its ongoing client relationships. The exposure of sensitive information can lead to the disclosure of trade secrets and potential reputational damage. Furthermore, under Canada's PIPEDA legislation, the organization may face specific data breach notification requirements following such an incident.

For organizations operating within the hospitality and large-scale event sectors, such incidents underscore the necessity of robust cybersecurity frameworks. Defensive strategies typically involve implementing multi-factor authentication, maintaining rigorous patch management schedules, and conducting regular security awareness training for staff to prevent initial access. Additionally, organizations often employ network segmentation to limit the lateral movement of attackers and utilize data loss prevention tools to monitor for unauthorized transfers of sensitive information. As threat actors continue to evolve, maintaining comprehensive incident response plans is essential for mitigating the impact of potential breaches.

The RansomHub group, which emerged in early 2024 and reportedly absorbed affiliates from ALPHV, has been a notable player in the ransomware landscape. Although there have been reports suggesting that its operations may have ceased in early 2025, the current activity suggests the group may still attempt secondary extortion using its established methods. This highlights the persistent nature of ransomware groups and the ongoing need for vigilant monitoring of threat actor activities.