BF&S Civil Engineers
lorenzThis record tracks a ransomware attack claimed by the lorenz group against BF&S Civil Engineers. 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
BF&S Civil Engineers is listed as a victim of the lorenz ransomware operation. It operates in the Other sector. The attack was first observed on September 12, 2023 and published on the group's leak site on August 20, 2023. 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.