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Security report for siemens.com

Siemens · Technology · N/a

Low risk. 1 critical or high finding in SSL/TLS.

Security score

87/100

Risk levelLow

0–100, higher is better. How it is calculated

Siemens is a global technology leader specializing in industry, infrastructure, mobility, and healthcare sectors. The company drives innovation through digital transformation technologies such as digital twins and industrial AI, aiming to empower customers to achieve sustainability and efficiency goals. The website reflects Siemens' enterprise-grade presence with comprehensive content, consistent branding, and a focus on digital and sustainability transformations. Technically, the site employs modern frameworks like Vue.js and Apollo GraphQL, integrates advanced analytics and consent management tools, and demonstrates good performance and accessibility standards. Security posture is strong with HTTPS enforcement and security headers, though explicit security policies and incident response information are not publicly disclosed. The absence of WHOIS data is a notable anomaly but does not detract significantly from the site's legitimacy given the strong corporate signals and external references. Overall, Siemens' website presents a professional, secure, and privacy-conscious digital presence aligned with its market position as a global technology leader.

Scanned

This is an earlier scan of siemens.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
83/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

1 finding rated critical or high. Fix these first.

  1. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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Keep watching siemens.com

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
80
Security headers
85
Email security
87
DNS health
85
Network security
100
GDPR outside view
83
Average
87

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Siemens operates as an essential entity in the technology sector with significant involvement in energy, transportation, and healthcare industries. Its business model centers on providing digital transformation solutions and industrial technologies to enterprise and government customers worldwide. The company leverages partnerships and maintains a strong ecosystem, including the Siemens Xcelerator Marketplace and dedicated press channels. Revenue streams likely include technology sales, digital services, and consulting. The website's content and structure indicate a mature digital strategy targeting industrial and infrastructure sectors, emphasizing sustainability and AI-driven innovation. Siemens' global reach and enterprise scale are evident, though specific founding year and subsidiary details are not disclosed on the site.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and secure handling of user inputs. Consent management is implemented via Usercentrics, supporting GDPR compliance. However, the site lacks publicly available detailed security policies, incident response procedures, or vulnerability disclosure programs, which are recommended for transparency and trust. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of multiple third-party analytics and marketing scripts necessitates ongoing security audits to mitigate supply chain risks. Overall, Siemens maintains a strong baseline security posture appropriate for an enterprise of its scale but could enhance transparency and incident readiness communication.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency and user trust.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide clear contact information for the Data Protection Officer or privacy team to enhance GDPR compliance visibility.
  4. Regularly review and update third-party scripts and analytics tools to minimize security risks from external dependencies.
  5. Update WHOIS registration data to ensure consistency and improve domain trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Siemens
Description
Siemens is a global technology leader driving innovation in industry, infrastructure and mobility through digital transformation. The company focuses on industry, infrastructure, mobility, and healthcare, leveraging AI and digital twin technologies to empower customers and accelerate sustainability transformations.
Key services
Digital twin technology, Industrial AI applications, Infrastructure solutions, Mobility solutions, Healthcare technology
Content quality
excellent
Branding
consistent

Technology

Stack
Vue.js, Apollo GraphQL, Adobe Launch (Tag Manager), Usercentrics (Consent Management), Matomo Analytics, Microsoft Form integration, Brightcove Video Player, Adyen Payment Integration
Frameworks
Vue.js
Platforms
Web
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Consent management implemented
  • No exposed sensitive data in HTML
  • Secure form inputs with no visible vulnerabilities

Analytics and tracking

Services
Matomo, Adobe Analytics, Eloqua
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Adobe DTM, Matomo, Eloqua, Bombora
Marketing tools
Adobe Launch, Eloqua, Usercentrics
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content and no blocking detected.
  2. Strong corporate branding and consistent design.
  3. Comprehensive privacy and cookie policies with consent management.
  4. No direct contact emails or phone numbers publicly listed; contact via form.
  5. Use of modern web technologies and analytics tools.
  6. No security policy or incident response info publicly available.
  7. WHOIS data unavailable, which is unusual for a major corporate domain.
  8. Social media presence on major platforms with official links.
  9. No suspicious or malicious content detected.
Technical notes

Notes

The Siemens website is built on a modern technology stack featuring Vue.js for frontend rendering and Apollo GraphQL for data querying. It integrates Adobe Launch for tag management, Usercentrics for consent management, and Matomo alongside Adobe Analytics for user behavior tracking. The site uses Brightcove for video content delivery and Adyen for payment processing, indicating a robust and scalable infrastructure. Performance is moderate with good mobile optimization and accessibility features. The CMS appears proprietary, tailored for Siemens' global content needs. Technical risks include reliance on multiple third-party scripts which require vigilant security monitoring. Overall, the technical implementation supports a high-quality user experience aligned with enterprise standards.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 88/100 +24Low19 findingsView report
  2. 64/100Medium19 findingsView report
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