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Siemens Manufacturing Co., Inc.

listed as siemensmfg.com · Claimed by Blackbasta · listed 2 years ago

28m
Age
since listed · data leaked

Status timeline

  1. ListedApr 9, 2024
  2. Data leakeddate unknown

At a glance

Group
Blackbasta
Status
Data leaked
Country
United States
Sector
Manufacturing
Listed on leak site
Apr 9, 2024

About the victim

AI dossier — public-source company profile

Siemens Manufacturing Co., Inc. is a contract electronics manufacturer founded in 1963, specializing in custom electronic components assembly and manufacturing. Operating since 1963, the company serves automotive, industrial, medical, construction, military, and other sectors with services including surface mount assembly, BGA assembly, conformal coating, and testing. The company operates facilities in Freeburg and New Athens, Illinois, plus a Mexico plant.

Industry
Contract Electronics Manufacturing & Custom Electronic Components
Address
410 W. Washington St., Freeburg, Illinois 62243 (Freeburg Plant); 500 N Johnson Street, New Athens, IL 62264-1157 (New Athens Plant); Ave Jose Mendoza, Esq. Israel, Parque Industrial Latitud, 83175 Hermosillo, Son., México (México Plant)
Employees
51-200
Founded
1963

Attack summary

Severity: high — Confirmed exfiltration of 800GB+ data including employee health records (regulated PII) and operational business data from an established manufacturing firm. The scale and inclusion of HMO records elevates this beyond medium severity.

BlackBasta claims to have exfiltrated approximately 800GB+ of data from Siemens Manufacturing. The group alleges access to common data, a product line designated 'NewG', and health/insurance records (HMO & etc.), indicating both operational and employee personal data compromise.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • operational/business data
  • employee health/HMO records
  • customer project data
  • product design/technical specifications
  • personnel records

What the group claims

At Siemens, we are dedicated to creating value for our customers and have an old-fashioned commitment to upholding our reputation for quality and service. We achieve this through efficient electronic assembly, advanced technical skills, innovative solutions, and customer-centric service. Our versatile facilities help insure that your project is handled efficiently and cost-effectively, and we have the technology to become a valued partner in your business. With our longstanding workforce – 10 years average hourly employee experience, and 20 years average management employee experience – we have the right people to deliver for you.SITE: www.siemensmfg.com Address : Siemens Mfg. Co., Inc. Freeburg Plant 410 W. Washington St. Freeburg, Illinois 62243New Athens Plant 500 N Johnson Street New Athens, IL 62264-1157ALL DATA SIZE: ~800gb+ 1. Common data 2. NewG 3. HMO & etc…

Sources

Source

Indexed 2 years 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 blackbasta

Black Basta is a highly sophisticated ransomware group that emerged in April 2022 and operates with a primary motivation of financial extortion, having rapidly established itself as one of the most prolific ransomware operations of the modern era with over 500 confirmed victims globally. The group is widely assessed by researchers including Mandiant and CISA to have likely ties to former members of the Conti ransomware syndicate following that group's dissolution in mid-2022, and operates as a private Ransomware-as-a-Service (RaaS) model with a closed affiliate structure rather than open recruitment, with suspected links to the FIN7 threat actor cluster based on observed tooling overlaps documented by SentinelOne and Microsoft. Black Basta employs a double extortion methodology, exfiltrating sensitive victim data prior to encryption and threatening publication on their Tor-based leak site "Basta News" to compound pressure on victims; initial access is predominantly achieved through phishing campaigns, purchase of stolen credentials, and exploitation of known vulnerabilities including QakBot malware distribution, with the group subsequently deploying tools such as Cobalt Strike, SystemBC, and their custom encryptor targeting both Windows and VMware ESXi environments using a ChaCha20 encryption algorithm. Per CISA and FBI joint advisory AA24-131A published in May 2024, the group has struck over 500 organizations across North America, Europe, and Australia, with high-profile victims including Ascension Health, Capita, the American Dental Association, and Rheinmetall, demonstrating a clear preference for manufacturing, business services, technology, transportation, and food production sectors across the United States, United Kingdom, Germany, Canada, and Italy. As of the time of available public reporting, Black Basta remained operationally active, though internal chat logs leaked in early 2025 revealed significant internal tensions and potential organizational fragmentation that security researchers assessed could impact the group's near-term operational cohesion. The group has been linked to 523 public disclosures across our corpus. First observed on a leak site on April 26, 2022; most recent post January 11, 2025. The operation is currently inactive.

Timeline of this disclosure

  • April 9, 2024siemensmfg.com listed by blackbastaon the group's public leak site

Other recent disclosures by blackbasta

blackbasta has been linked to 523 public victims on Darkfield. A sample of the most recent:

See the full blackbasta dossier →

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 3,684 disclosures indexed across all operators we track. Geographically, siemensmfg.com is reported in United States, a country with 3,138 ransomware disclosures in our corpus.

If your organisation is affected

A listing by blackbasta means siemensmfg.com 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 blackbasta'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.