HOMETHREATSZionSiphon
APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

ZionSiphon

2
aliases
Last seen:May 7, 2026

Intelligence Profile

According to Darktrace, ZionSiphon is an OT‑focused malware targeting Israeli water treatment and desalination systems. The malware combines privilege escalation, persistence, USB propagation, and ICS scanning with sabotage capabilities aimed at chlorine and pressure controls, highlighting growing experimentation with politically motivated critical ‑infrastructure attacks against industrial operational technologies globally.

Threat Analysis

ZionSiphon is a advanced-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of espionage.

The group's espionage-oriented operations suggest a state-sponsored or state-aligned mandate, typically focused on stealing intellectual property, government secrets, or military intelligence. Targets are usually selected for strategic value rather than financial gain.

Classified as an advanced threat actor, ZionSiphon likely develops or acquires zero-day exploits, employs custom malware toolchains, and demonstrates long-term persistence capabilities — hallmarks of a well-resourced operation consistent with nation-state backing.

Intelligence Reports Mentioning ZionSiphon

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Aliases2

Also Known As

win.zionsiphonZionSiphon

External Intelligence

Malpedia: win.zionsiphon

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.