Disclosure context

About worldleaks

Based on the limited available data, worldleaks is a recently emerged ransomware group that was first observed in May 2025 and appears to be primarily financially motivated, having claimed 134 victims in a relatively short timeframe since its emergence. The group's origin and organizational structure remain unclear, with no publicly documented information from major cybersecurity firms or law enforcement agencies regarding their country of origin, potential affiliations, or operational model. Their targeting patterns indicate a focus on English-speaking countries, particularly the United States, United Kingdom, and Canada, with additional activity observed in Germany and Japan, while their sector targeting shows a preference for healthcare, technology, manufacturing, and consumer services organizations. Due to the group's recent emergence and limited public documentation by established threat intelligence sources, specific details about their attack methodologies, encryption techniques, extortion tactics, and notable campaigns have not yet been comprehensively analyzed or reported by organizations such as CISA, FBI, or major cybersecurity research firms. The group appears to remain active as of the most recent observations, though comprehensive threat intelligence profiling awaits further analysis and documentation by established cybersecurity authorities. The group has been linked to 155 public disclosures across our corpus. First observed on a leak site on May 18, 2025; most recent post May 12, 2026. The operation is currently active.

Timeline of this disclosure

March 27, 2026CIM listed by worldleakson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, CIM is reported in Germany, a country with 695 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

← All victims

CIM GmbH

listed as CIM · Claimed by worldleaks · listed 2 months ago

54d

Age

since listed · data leaked

Status timeline

Listed
Mar 27, 2026
Data leaked

At a glance

Group: worldleaks
Status: Data leaked
Country: Germany
Sector: Not Found
Listed on leak site: Mar 27, 2026

About the victim

AI dossier — public-source company profile

CIM GmbH is a German logistics software specialist founded in 1985, best known for its PROLAG World warehouse management system (WMS). The company offers a comprehensive suite of intralogistics software covering warehouse management, warehouse automation, transport management, hazardous goods management, and shipping systems. Their solutions serve sectors including retail, e-commerce, healthcare, chemicals, pharmaceuticals, and manufacturing.

Industry: Logistics Software & Warehouse Management Systems
Founded: 1985

Attack summary

Severity: medium — Data is marked as published, indicating confirmed exfiltration, but the nature and sensitivity of the data are unknown and no specific data inventory, volume, or proof files are described in the post. The inaccurate AI-generated victim description reduces confidence in the claimed scope of the attack.

The worldleaks group claims to have exfiltrated data from CIM GmbH and has published it (disclosed status: data_published). The leak post's description of the victim is AI-generated and inaccurately describes a US real estate firm rather than the actual German logistics software company, suggesting the group used automated text generation rather than genuine knowledge of the victim.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Undisclosed exfiltrated company data

Original description

AI-summarised, not from the leak post

CIM is a community-focused, integrity-driven real estate and infrastructure investment firm that was founded in 1994. It specializes in urban transitions and sustainable development, lifting up communities through strategic investments. Their assets range from hotels, retail, and residential buildings to renewable energy infrastructure. They focus on maximizing value for all stakeholders - investors, community, and team.

Sources

Victim sitewww.cim-logistics.com
Leak posthttps://worldleaksartrjm3c6vasllvgacbi5u3mgzkluehrzhk2jz4taufuid.onion/companies/5682629549

Source

Indexed 2 months 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.