Cardiovascular Medical Group of Southern California (CVMG)
sinobiThis record tracks a ransomware attack claimed by the sinobi group against Cardiovascular Medical Group of Southern California (CVMG). 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
Cardiovascular Medical Group of Southern California provides a comprehensive range of cardiovascular services, including diagnostic testing, disease management, and advanced treatments for patients of all ages. Their board-certified physicians specialize in cardiology and internal medicine, ensuring expert care and a focus on preventing heart disease. The clinic leverages the latest medical technologies to support patient health and offers accessible virtual services such as electronic appointment requests and test results. Their commitment to personalized care is evident in their strong physician-patient relationships and partnerships with renowned medical institutions.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.