summithealth.com
lockbit3This record tracks a ransomware attack claimed by the lockbit3 group against summithealth.com. 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
Summit Health is a U.S. multispecialty outpatient healthcare network that provides coordinated primary and specialty care, from annual checkups to healthy aging. Its patient services include a secure online portal for viewing test results and medical records, messaging providers, requesting prescription refills, scheduling appointments, and paying bills. The organization also supports medical-record requests and provider access through its web-based patient tools. In the threat-intelligence index, summithealth.com was listed as a ransomware victim associated with lockbit3.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.