clubfitsoftware.com.au

clubfitsoftware.com.au was compromised in a ransomware attack attributed to killsec3 in October 2025. The organization, operating in an undisclosed sector in Australia, was added to the group's data leak site as part of an extortion campaign.

killsec3 operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

Clubfit Software is an innovative cloud-based gym management software designed to streamline operations for fitness facilities of all sizes, including 24/7 gyms, leisure centers, health clubs, personal training studios, sports clubs, and swim schools. One percent of data is published - https://gofile.io/d/cgkFU6 - update: we have downloaded over 300 GB of documents from all the businesses that have used the services of this company. You can find the list of FitClub clients here: https://gofile.io/d/9OJyK2 - Message to the company: We are beginning to contact your clients and the sub-clients of your clients regarding the data leak, and we will publish everything on our blog. Contact us as soon as possible. - update: New 1 percent sample - https://gofile.io/d/cgkFU6 - deadline time decreased due to no contact situation.