Disclosure context

About lamashtu

Based on the limited available information, Lamashtu is an emerging ransomware group that was first observed in April 2026, appearing to be financially motivated based on their operational patterns. The group's origin and potential affiliations remain unclear due to their recent emergence and limited public documentation by major threat intelligence organizations. Lamashtu's attack methodology and specific technical capabilities have not been extensively documented by established security researchers, though their targeting patterns suggest they employ standard ransomware deployment techniques across multiple industry verticals. The group has conducted at least 8 confirmed attacks, demonstrating a geographically diverse targeting approach with victims identified in France, Italy, the United States, Singapore, and Malaysia, while focusing primarily on business services, manufacturing, transportation and logistics, hospitality and tourism, and energy sectors. Given the group's recent first observation in April 2026 and limited public threat intelligence reporting from established sources like CISA, FBI, or major security firms, Lamashtu appears to represent a newly active threat actor whose current operational status and long-term capabilities require further monitoring and analysis. The group has been linked to 30 public disclosures across our corpus. First observed on a leak site on April 13, 2026; most recent post May 19, 2026. The operation is currently active.

Timeline of this disclosure

April 14, 2026WEDA ROBOTICS listed by lamashtuon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 2,458 disclosures indexed across all operators we track. Geographically, WEDA ROBOTICS is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

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WEDA ROBOTICS

Claimed by lamashtu · listed 1 month ago

36d

Age

since listed · data leaked

Status timeline

Listed
Apr 14, 2026
Data leaked

At a glance

Group: lamashtu
Status: Data leaked
Country: United States
Sector: Manufacturing
Listed on leak site: Apr 14, 2026

About the victim

AI dossier — public-source company profile

WEDA Robotics is a Swedish manufacturer of remotely operated, fully submerged robotic cleaning systems for tanks, reservoirs, lagoons, and other water infrastructure. Founded on over 100 years of engineering heritage dating to mechanical pool cleaners in the 1920s, the company serves industries including wastewater, mining, oil & gas, aquaculture, and municipal infrastructure across 40+ countries on 5 continents. Its headquarters and postal address are located in Södertälje, Sweden.

Industry: Industrial Robotics & Automated Cleaning Systems
Address: Wedavägen 4a, SE-152 42 Södertälje, Sweden

Attack summary

Severity: high — Data has been confirmed as published by the threat actor, indicating successful exfiltration of business data from an internationally operating industrial robotics company with customers across critical infrastructure sectors (wastewater, oil & gas, power, municipal); the breadth of sensitive operational and customer data at risk elevates this beyond medium.

The ransomware group Lamashtu claims to have attacked WEDA Robotics and has published data (disclosed status: data_published), though no specific ransom amount or data volume was stated. The leak post references the company's history and global operations, suggesting exfiltration of internal company data.

high

Data the group says was taken

AI dossier — extracted from the leak post

Internal company documents
Business operations data
Potentially customer/distributor records

What the group claims

Over 100 Years of Engineering. Now Pioneering the Future of Sustainable Cleaning. From mechanical pool cleaners in the 1920s to submerged, no drain robotic systems used across 40+ countries.

Sources

Source

Indexed 1 month ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.