Group Health Cooperative - Rev 500kk
blacksuitThis record tracks a ransomware attack claimed by the blacksuit group against Group Health Cooperative - Rev 500kk. 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
Patient and member data (MRN numbers, SSN numbers, patient ID, DOB, telephone, EMAIL, residential addresses, information about visits, medical history, various Patient Forms, CLINIC NOTE, scans of diagnoses and examinations with personal data, results of various laboratory tests and Lots of other patient information. Financial documents (balance sheets, budgets, PL reports, audits, statements, transaction reports, cashflow, presentations and many other important financial documents) Employees (ssn numbers, residential addresses, DOB, mail, license numbers, scans of personal documents and much more) Partner database, contracts, NDA forms, I Working documentation (drug db, presentation, reports, various government letters/reports and much more) SQL databases (patient database, employee database, participant database), mail correspondence.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.