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Security report for mwm.net

Caterpillar Energy Solutions GmbH · Energy · Germany

High risk. 7 critical or high findings in GDPR outside view, SSL/TLS and 1 other check.

Security score

35/100

Risk levelHigh

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

MWM, operating under Caterpillar Energy Solutions GmbH, is a well-established company specializing in highly efficient and environmentally friendly combined heat and power plants and block heating power plants. With over 150 years of experience, the company offers a broad portfolio of gas engines and power generation solutions targeting industrial, commercial, and public utility sectors globally. The website reflects a mature digital presence with comprehensive product and service information, supported by a global service and sales network. Technically, the site is built on WordPress with common libraries and plugins, but suffers from a critical lack of a valid SSL certificate, which severely impacts its security posture. Privacy policies and GDPR compliance are well addressed, and contact is primarily via web forms. Overall, the site is professional and trustworthy but requires urgent security improvements.

Scanned

NIS2 and GDPR posture

GDPR outside view
18/ 100 · Critical
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

7 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Critical

      No HTTPS encryption

      GDPR requires appropriate security measures for personal data

      What to do: Implement SSL/TLS certificate for HTTPS

  2. 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.

    • Critical

      No HTTPS Encryption

      Website does not use HTTPS encryption, making all data transmission vulnerable to interception

      What to do: Implement SSL/TLS certificate and redirect all HTTP traffic to HTTPS

  3. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

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  • TLS certificates and expiry
  • DNS records
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  • 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
0
Security headers
15
Email security
50
DNS health
85
Network security
40
GDPR outside view
18
Average
35

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

MWM holds a strong market position in the energy sector, focusing on decentralized energy generation solutions using gas engines and combined heat and power systems. Its business model includes manufacturing, sales, service, parts logistics, and training, targeting industrial clients and utilities worldwide. The company leverages its long history and parent company backing to maintain competitive advantages. The website's content and structure support lead generation and customer engagement, with multilingual support and regional sites indicating a global footprint. Partnerships and regional subsidiaries enhance market reach. Growth indicators include recent awards and events like the MWM Energy Days 2025.

Security posture

The website's security posture is weak due to the absence of a valid SSL certificate and lack of HTTPS support, exposing users to potential data interception risks. No modern TLS protocols are enabled, and critical security headers such as HSTS are missing. While no known vulnerabilities or malware are detected, these deficiencies represent significant compliance and trust issues. Privacy and cookie policies are present and GDPR compliant, but no explicit incident response or vulnerability disclosure mechanisms are found. The site should prioritize securing communications and enhancing security headers to protect business and customer data.

Recommendations

  1. Obtain and install a valid SSL/TLS certificate to enable HTTPS across the entire site.
  2. Enable TLS 1.2 or TLS 1.3 protocols and disable outdated protocols to improve encryption security.
  3. Implement HTTP Strict Transport Security (HSTS) with preload and includeSubDomains directives.
  4. Add a security.txt file and publish a vulnerability disclosure policy to improve transparency.
  5. Enhance security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  6. Regularly audit and update plugins and libraries to avoid vulnerabilities.
  7. Improve accessibility features and mobile optimization for better user experience.
  8. Consider adding explicit contact information such as company phone numbers and emails for trust.
Technical notes

Notes

The website is built on WordPress CMS using popular JavaScript libraries like jQuery, FlexSlider, and Owl Carousel for UI components. It employs caching and image optimization plugins such as Autoptimize and EWWW Image Optimizer. The hosting environment uses Apache server. Performance metrics indicate slow loading times, possibly due to large images or caching configurations. The site is mobile responsive with good SEO meta tags and structured data (JSON-LD) for enhanced search engine understanding. However, the lack of HTTPS and modern TLS protocols is a critical technical risk. The site uses multiple language versions and has a complex navigation structure supporting a wide range of products and services.
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

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