Grupo JSA
sinobiThis record tracks a ransomware attack claimed by the sinobi group against Grupo JSA. 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
Grupo JSA is a company that operates in the Architecture, Engineering & Design industry. It employs 20to49 people and has 5Mto10M of revenue. The company is headquartered in Rio de Janeiro, Rio de Janeiro, Brazil.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.