Was M&H Electric Fabricators hit by ransomware?

M&H Electric Fabricators was listed by the Embargo ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Embargo ransomware group?

Embargo is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the M&H Electric Fabricators breach?

Embargo published data attributed to M&H Electric Fabricators (~220 GB). Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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M&H Electric Fabricators

Claimed by Embargo · listed 1 year ago

220 GB

Data size

13m

Age

since listed · data leaked

Status timeline

ListedMay 30, 2025
Data leakeddate unknown

At a glance

Group: Embargo
Status: Data leaked
Country: United States
Sector: Manufacturing
Listed on leak site: May 30, 2025
Data size: 220 GB

About the victim

AI dossier — public-source company profile

M&H Electric Fabricators is a manufacturer of wiring harnesses and electrical components for the automotive aftermarket. Founded in 1985, the company positions itself as a leading supplier in the automotive electric industry.

Industry: Automotive Electrical Components & Wiring Harnesses
Founded: 1985

Attack summary

Severity: high — Confirmed exfiltration of 220 GB of data from a manufacturing company; likely includes business-sensitive and customer information. No indication of proof files published yet, but the volume and manufacturing context (supply chain, customer lists, technical specs) suggests significant business impact.

Embargo claims to have exfiltrated 220 GB of data from M&H Electric Fabricators. The post does not specify encryption or operational disruption, only the data theft.

high

Data the group says was taken

AI dossier — extracted from the leak post

company documents
business records
potentially customer data
product specifications

What the group claims

Welcome to M&H Electric Fabricators, where we've been sparking innovation and powering up the automotive electric industry since 1985. Our experience and commitment to excellence have helped us become the leading supplier of wiring harnesses to the automotive aftermarket. - 220gb of electric fabricators

Sources

Leak posthttp://embargobe3n5okxyzqphpmk3moinoap2snz5k6765mvtkk7hhi544jid.onion/#/post/a43c44bf-5548-46a9-8268-1545489bf142

Source

Indexed 1 year 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.

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Disclosure context

About Embargo

Embargo is a ransomware group that emerged in April 2024, operating with primarily financial motivations and demonstrating a focus on high-value targets across multiple sectors. The group has been observed targeting victims predominantly in the United States, Singapore, India, and France, with particular emphasis on technology, healthcare, manufacturing, business services, and financial sectors. Given the group's recent emergence and limited public documentation from major threat intelligence sources, specific details about their country of origin, operational structure, and technical methodologies remain largely unconfirmed by established security research organizations. With 37 known victims identified since their emergence, Embargo appears to follow established ransomware operational patterns typical of financially-motivated cybercriminal groups, though comprehensive analysis of their attack vectors, encryption methods, and extortion tactics has not yet been extensively documented by major cybersecurity firms or government agencies. The group's targeting of critical infrastructure sectors including healthcare and financial services aligns with broader ransomware trends observed throughout 2024, though specific notable campaigns or high-profile attacks have not been widely reported in public threat intelligence reporting. As of current observations, Embargo appears to remain active, though the limited timeframe since their emergence and sparse public documentation makes definitive assessment of their operational status challenging without additional confirmed reporting from established threat intelligence sources. The group has been linked to 40 public disclosures across our corpus. First observed on a leak site on April 21, 2024; most recent post June 30, 2026. The operation is currently active.

Timeline of this disclosure

May 30, 2025M&H Electric Fabricators listed by Embargoon the group's public leak site

Data size: 220 GB

Other recent disclosures by Embargo

Embargo has been linked to 40 public victims on Darkfield. A sample of the most recent:

See the full Embargo dossier →

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 3,681 disclosures indexed across all operators we track. Geographically, M&H Electric Fabricators is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Embargo means M&H Electric Fabricators appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Embargo's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.