Söllner
sarcomaThis record tracks a ransomware attack claimed by the sarcoma group against Söllner. 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
Söllner Söllner GmbH & Co. KG is a family-owned roofing company based in Plettenberg, operating for four generations since 1902. The company specializes in roofing, carpentry, facade construction, scaffolding, and offers additional services such as container service and crane rentals. Recently, they have expanded into architecture, providing comprehensive services from design to execution. With a team of qualified professionals, Söllner serves both regional and national clients in the industrial, commercial, public, and private sectorsGeo: Germany - Leak size: 286 GB Archive - Contains: Files, SQL
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.