Mainline Health Systems (MHS.local)
incransomThis record tracks a ransomware attack claimed by the incransom group against Mainline Health Systems (MHS.local). 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
Mainline Health Systems, Inc. mission is to provide high quality clinical services to all the people of Southeast Arkansas regardless of their ability to pay. Mainline was founded in 1978 by a group of agricultural leaders who were concerned about healthcare in their community. Mainline has grown from one clinic with one physician to a system of 6 medical clinics, 3 dental clinics and 10 school based health clinics with multiple providers located throughout Southeast Arkansas.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.