September 16, 2026
- ZionSiphon v4 rewrites an OT sabotage tool in Rust. Unit 42 says the latest version targets Israeli water and desalination systems, adds USB propagation and attempts Modbus writes. The post does not report successful physical disruption (Unit 42). · Threat Activity & Malware
in CVE-2026-76461 Gives Remote Attackers Root on Cisco Email Gateways