MIMS
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against MIMS. 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
mims.com zoominfo.com/c/mims-pte-ltd/354424916 MIMS is a pharmaceutical prescribing reference guide first published in the United Kingdom in 1959 by Haymarket Media Group. The platform provides comprehensive drug information — including dosages, interactions, clinical guidelines, and prescribing data — for healthcare professionals across the globe. MIMS operates internationally across Asia, Australia, and beyond, with dedicated editions for countries including Malaysia, India, Indonesia, Japan, Singapore, and many others. Its mobile app and online database are used daily by doctors and pharmacists for drug lookups, medical news, and CME articles
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.