Disclosure context

About genesis

Genesis is a recently emerged ransomware group that was first observed in October 2025, operating with apparent financial motivations based on their targeting patterns across multiple high-value sectors. The group has demonstrated a relatively aggressive operational tempo since emergence, accumulating 54 documented victims within a short timeframe. Given the limited public documentation available from established threat intelligence sources regarding this newly identified group, specific details about their country of origin, organizational structure, and precise attack methodologies remain under investigation by security researchers. The group's targeting patterns indicate a preference for victims in the United States and United Kingdom, with additional activity observed in Malaysia and Spain, suggesting either a broad operational scope or the use of automated targeting tools that do not discriminate by geography. Their sector targeting reveals a focus on healthcare, manufacturing, business services, and financial services organizations, indicating they may prioritize entities with both high revenue potential and critical operational dependencies that increase pressure for ransom payment. Due to the group's recent emergence and limited reporting from major threat intelligence organizations such as Mandiant, CISA, or FBI, comprehensive details regarding their specific encryption methods, initial access vectors, data exfiltration practices, or notable high-profile campaigns have not yet been publicly documented. Genesis remains an active threat as of current reporting, though their operational longevity and potential connections to established ransomware ecosystems continue to be assessed by the cybersecurity community. The group has been linked to 82 public disclosures across our corpus. First observed on a leak site on October 21, 2025; most recent post May 19, 2026. The operation is currently active.

Timeline of this disclosure

March 7, 2026Griswold Controls listed by genesison 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, Griswold Controls 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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Griswold Controls

Claimed by genesis · listed 2 months ago

Age

since listed · data leaked

Status timeline

Listed
Mar 7, 2026
Data leaked

At a glance

Group: genesis
Status: Data leaked
Country: United States
Sector: Manufacturing
Listed on leak site: Mar 7, 2026

About the victim

AI dossier — public-source company profile

Griswold Controls is a flow control technology manufacturer based in Irvine, California, celebrating over 60 years in the industry. The company designs and produces automatic flow limiting valves, HVAC valves, irrigation valves, stainless steel valves, military valves, and custom material valves. Their products are used across commercial, industrial, and military applications including airports, universities, and hospitality venues.

Industry: Flow Control Valves & HVAC/Irrigation Equipment Manufacturing
Address: 1700 Barranca Parkway, Irvine, CA 92606
Employees: 51-200
Founded: 1964

Attack summary

Severity: high — Data has been published (not merely listed), indicating confirmed exfiltration of business data from a manufacturer with military valve product lines, which elevates concern beyond standard commercial exposure.

The Genesis ransomware group has listed Griswold Controls with a 'data_published' status, indicating data has been exfiltrated and published. No specific data volume or ransom amount was stated in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Company business data
Potentially proprietary product/engineering files
Customer and project records
Internal communications

What the group claims

A leader in flow control technology and valves, specializing in HVAC and irrigation applications

The leak post

captured from the group's site

GENESIS GENESIS Archive Tags About GENESIS [email protected] Pequod Associates A global leader in the provision of Marine Claims TPA and Recovery services. 2026-05-11 · 1min Pequod Associates HostBooks (HOT!) An accounting software provider. 2026-05-09 · 1min HostBooks (HOT!) Palo Architecture and Planning. 2026-05-09 · 1min Palo Ben F. Barcus and associates pllc A law firm from Tacoma, WA. 2026-05-09 · 1min Ben F. Barcus and associates pllc Rain Makers Solutions Conducting training sessions, engaging with stakeholders, and organizing meetings and events. 2026-05-08 · 1min Rain Makers Solutions Van Atta Engineering A civil engineering and surveying firm located at 570 Congress Park Dr, Dayton, Ohio. 2026-05-08 · 1min Van Atta Engineering Prescott & Holden A legal firm dedicated to safeguard the rights of its clients 2026-05-08 · 1min Prescott & Holden The American Board of Preventive Medicine A healthcare certification organization. 2026-05-08 · 1min The American Board of Preventive Medicine Integrated Process Engineers & Constructors. Specializes in custom modular process systems, offering a wide range of products including bioreactors, filtration systems, and utility sta…

Sources

Victim sitegriswoldcontrols.com
Leak posthttp://genesis6ixpb5mcy4kudybtw5op2wqlrkocfogbnenz3c647ibqixiad.onion/8a6750dcebd3a0fd2bbd/

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.