Siem Srl
spacebearsThis record tracks a ransomware attack claimed by the spacebears group against Siem Srl. 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
Siem Srl, part of Kalisa Holding Srl, specializes in automation and protection systems for electrical infrastructures. The company develops equipment for energy management and monitoring, serving major airports and civil-industrial facilities. Siem Srl offers tailored solutions focused on enhancing efficiency and integrating renewable energy sources. Its products are known for high reliability and quality, making them highly sought after by large enterprises and infrastructure projects.- customer contracts- financial reports- customer drawings (factories, airports, etc.)- employee personal data- projects https://www.siem.it
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.