Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems post, april 20, 2026 Cybersecurity researchers have flagged a new malware called ZionSiphon that appears to be specifically designed to target Israeli water treatment and desalination systems. The malware has been codenamed ZionSiphon by Darktrace, highlighting its ability to set up persistence, tamper with local configuration files, and scan for operational technology (OT)-relevant services on the local subnet. According to details on VirusTotal, the sample was first detected in the wild on June 29, 2025, right after the Twelve-Day War between Iran and Israel that took place between June 13 and 24. Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems: Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems critical infrastructure malware 2026Iran