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Security report for cldn.com

CLdN · Transportation · Luxembourg

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

68/100

Risk levelMedium

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

CLdN is a well-established logistics company specializing in integrated maritime and multimodal transport solutions across Europe. Founded in 1929, it operates a large fleet of RoRo ships and maintains a network of terminals and transport units, serving major economic regions including the UK, Ireland, Iberia, and Scandinavia. The company emphasizes sustainability with a low CO2 footprint and employs around 3,000 staff. The website reflects a professional and comprehensive digital presence built on Drupal 10, featuring modern web technologies and good mobile optimization. Privacy and cookie policies are well implemented with consent mechanisms, supporting GDPR compliance. However, the absence of WHOIS registration data for the domain www.cldn.com is a notable anomaly that slightly impacts trust. Security posture is generally good with HTTPS enforced, but lacks visible security headers and explicit incident response or vulnerability disclosure information. Overall, the website is functional, professional, and trustworthy, but could improve transparency and security documentation to enhance confidence further.

Scanned

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

3 findings rated critical or high. Fix these first.

  1. 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 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';…

  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.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

Need hands-on remediation? Email guard@offseq.com

Keep watching cldn.com

This scan found 18 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

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Recommended

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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
77
Security headers
40
Email security
88
DNS health
80
Network security
40
GDPR outside view
83
Average
68

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

CLdN holds a strong market position as one of Europe's largest short sea RoRo ship operators, offering a broad range of logistics services including short sea shipping, multimodal transport, automotive logistics, terminal services, and freight forwarding. Its business model focuses on integrated door-to-door and quay-to-quay solutions, targeting businesses requiring reliable and sustainable transport links across Europe. The company leverages a large fleet and terminal network to provide extensive coverage and operational efficiency. The website content and structure support clear communication of services and corporate social responsibility initiatives, indicating a mature and customer-focused business. The lack of WHOIS data is unusual but may be due to privacy protection or technical reasons. No direct partnerships or subsidiaries were identified from the website content.

Security posture

The website enforces HTTPS and implements cookie consent mechanisms, indicating a baseline commitment to security and privacy. However, the absence of key security headers such as Content-Security-Policy, X-Frame-Options, and others reduces the overall security posture. No explicit security policy, incident response procedures, or vulnerability disclosure mechanisms are published, which are important for transparency and trust. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of modern CMS and libraries suggests a maintained platform but regular security audits and header implementations are recommended. Overall, the security maturity is moderate with room for improvement in documentation and technical controls.

Recommendations

  1. Implement comprehensive HTTP security headers (CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy) to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response page to improve transparency and user trust.
  3. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Regularly audit and update third-party libraries and CMS components to mitigate potential vulnerabilities.
  5. Enhance accessibility features to meet higher compliance standards and improve user experience for all visitors.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CLdN
Description
CLdN is a leading provider of integrated quay-to-quay and door-to-door logistics solutions. Founded in 1929, it operates a fleet of 30 RoRo ships with over 200 weekly sailings, connecting major European economic areas including the UK, Ireland, Iberia, and Scandinavia. The company employs approximately 3,000 people and offers services with a focus on low CO2 footprint and extensive multimodal transport solutions.
Key services
Short Sea Shipping, Multimodal Transport, Automotive Logistics, Terminal Services, Freight Forwarding
Content quality
good
Branding
consistent

Technology

Stack
Drupal 10, jQuery, Google Tag Manager, CookiesJSR, Revolution Slider, Bootstrap, Font Awesome, Owl Carousel, PrettyPhoto, YTPlayer, Magnific Popup, Slick Carousel
Frameworks
Drupal
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics 4
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google Analytics 4
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and professional design
  2. No WAF or security blocking detected
  3. WHOIS data unavailable, which is a concern for domain transparency
  4. Comprehensive cookie and privacy policies with consent mechanisms
  5. Multiple contact methods including phone, address, and forms
  6. Use of modern web technologies and CMS (Drupal 10)
  7. Good SEO and mobile optimization
  8. No explicit security policy or incident response information found
  9. No vulnerability disclosure or security.txt present
Technical notes

Notes

The website is built on Drupal 10, leveraging a variety of modern JavaScript libraries and CSS frameworks including jQuery, Bootstrap, Owl Carousel, and Revolution Slider. The site uses Google Tag Manager and Google Analytics 4 for tracking and analytics. Performance is moderate with good mobile optimization and SEO practices evident from meta tags and structured navigation. The site uses CDN resources for fonts and scripts, improving load times. No hosting provider information was directly identified. The technical implementation is solid but could benefit from enhanced security headers and accessibility improvements. The site is well-structured with clear navigation and professional design, supporting a positive user experience.
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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