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Siemens

Siemens Vendor Cyber Rating & Cyber Score

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Siemens AG (Berlin and Munich) is a leading technology company focused on industry, infrastructure, mobility, and healthcare. The company’s purpose is to create technology to transform the everyday, for everyone. By combining the real and the digital worlds, Siemens empowers customers to accelerate their digital and sustainability transformations, making factories more efficient, cities more livable, and transportation more sustainable. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a leading global medical technology provider pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably. In fiscal 2024, which ended on September 30, 2024, the Siemens Group generated revenue of €75.9


Siemens A.I CyberSecurity Scoring

Incident Details
Siemens
Company Information
Website:http://www.siemens.com
Employees number:255,207
Number of followers:8,446,068
NAICS:33325
Industry Type:Automation Machinery Manufacturing
Homepage:siemens.com
Cyber Premium EstimationGet Supply Chain
Siemens Risk Score (AI oriented)
Between 750 and 799
logo
SiemensAutomation Machinery Manufacturing
Updated:
04/04/2026
784/1000
Fair
Baa
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
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Siemens Global Score (TPRM)
xxxx
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SiemensAutomation Machinery Manufacturing
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Findings

Siemens
SiemensFair
Current Score
784Baa (FAIR)
01000
2 incidents
-53 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
791Before Incident
MAY 2026
789Before Incident
APRIL 2026
789Before Incident
MARCH 2026
786Before Incident
FEBRUARY 2026
786Before Incident
JANUARY 2026
785Before Incident
DECEMBER 2025
784Before Incident
NOVEMBER 2025
783Before Incident
OCTOBER 2025
834Before Incident
Ransomware
04 Oct 2025 • Siemens
Dimensional Control Systems (DCS)

Ransomware Attack on Dimensional Control Systems (DCS) by J Group

781After Incident
CRITICAL-53
DIM4992449100425
A ransomware group, J Group, claimed a major breach of Dimensional Control Systems (DCS), a Michigan-based provider of dimensional engineering software critical to manufacturing giants like Boeing, Samsung, Volkswagen, and Airbus. The attackers allegedly exfiltrated 11GB of sensitive data, including financial records, employee information, and proprietary operational documents, posting samples on the dark web as leverage for ransom demands. The breach poses severe risks to supply chain security, potentially exposing intellectual property (e.g., aerospace designs, manufacturing tolerances) and disrupting operations for high-profile clients. Boeing’s involvement raises national security concerns due to its defense contracts, while Samsung’s prior breaches compound vulnerabilities. Though DCS has not publicly confirmed the attack, cybersecurity experts warn of cascading risks—including regulatory fines (e.g., GDPR for Volkswagen), legal actions, and reputational damage—if client data was compromised. The incident underscores the growing threat of third-party vendor attacks, where a single breach can jeopardize an entire industrial ecosystem.
INCIDENT DETAILS -
TYPE
ransomwaredata breachsupply chain attack
MOTIVATION
financial gain (ransom)data theft for leverage
IMPACT
financial recordsemployee informationinternal documentsproprietary designs (potential)operational data (potential)potential disruption to precision manufacturing processes for clients (Boeing, Samsung, Volkswagen, Airbus)supply chain security riskspotential damage due to association with high-profile clients (e.g., Boeing, Airbus)loss of trust in supply chain securitypotential fines under GDPR (for Volkswagen)regulatory scrutiny (e.g., FAA for Boeing)legal actions from affected clientsemployee information exposed
DATA BREACH
financial recordsemployee informationinternal documentspotential proprietary designsSensitivity Of Data: high (includes supply chain and manufacturing data for defense/aerospace clients)Data Exfiltration: claimed (11GB of data)financial recordsemployee datascreenshotsinternal documentsemployee information
REFERENCES
Blog URLSource URL
SEPTEMBER 2025
834Before Incident
AUGUST 2025
833Before Incident
JULY 2025
833Before Incident
JUNE 2024
825Before Incident
Vulnerability
16 Jun 2024 • Siemens
Siemens

Critical Vulnerability in Siemens SINAMICS S200 Drive Systems

832After Incident
CRITICAL-7
SIE903031625
Siemens has disclosed a critical vulnerability in SINAMICS S200 drive systems that could lead to a complete system compromise. The vulnerability, tracked as CVE-2024-56336, exposes affected devices to unauthorized manipulation of industrial processes, equipment damage, disruptions, and data theft due to an unlocked bootloader, which allows attackers to install malicious code without authentication. The risk is exacerbated by the device's wide use in critical industrial, manufacturing, energy, and infrastructure sectors. Although Siemens has not released a fix, it urges customers to implement network segregation and monitor systems while it works on a remedy.
INCIDENT DETAILS -
TYPE
Vulnerability
IMPACT
Systems Affected: SINAMICS S200 drive systemsEquipment damageDisruptionsData theft
REFERENCES
Blog URLSource URL

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