Montrose Environmental Group, Inc
blackbastaThis record tracks a ransomware attack claimed by the blackbasta group against Montrose Environmental Group, Inc. 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
Montrose Environmental Group, Inc is listed as a victim of the blackbasta ransomware operation. It operates in the Services sector. The incident was first observed on August 06, 2022. Breach House tracks this attack from public ransomware leak-site postings for threat-intelligence purposes.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.