HOMETHREATSWater Barghest
APT / THREAT GROUP🕵️ ESPIONAGEADVANCED

Water Barghest

1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Water Barghest is a cybercriminal group that has compromised over 20,000 IoT devices by October 2024, monetizing them through a residential proxy marketplace. They automate the entire process from identifying vulnerable devices using n-day and zero-day exploits to deploying Ngioweb malware and selling the compromised assets. Their operations include leveraging Ubiquiti EdgeRouter devices for espionage and utilizing automated scripts to exploit vulnerabilities within minutes of discovery. Water Barghest has maintained a low profile for years, but their activities gained attention due to the deployment of a zero-day vulnerability against Cisco IOS XE devices in October 2023.

Threat Analysis

Water Barghest 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, Water Barghest 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.

External References

Quick Facts

TypeAPT / Threat Group
Motivation🕵️ espionage
Sophisticationadvanced
Aliases1
SourceMalpedia

Also Known As

Water Barghest

Research Links

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