MUST Informatique
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against MUST Informatique. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
mustinformatique.com MUST INFORMATIQUE is a French software publisher founded in 1990 and based in Couzeix, France . The company specializes in creating digital solutions for Home Healthcare Providers (PSAD), focusing on areas like home care, respiratory assistance, orthopedics, and infusion therapy . For nearly 31 years, it has been a key player in its sector, offering software that helps manage patient data, ensure regulatory compliance, and digitize organizational processes for healthcare professionals . In 2024, the company, which generates around €10 million in annual revenue, was acquired by Orisha, a European software publisher, to create a comprehensive digital ecosystem for the home healthcare industry .
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.