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Security report for lu-cix.lu

LU-CIX · Telecommunications · Luxembourg

Medium risk. 5 critical or high findings in GDPR outside view and Security headers.

Security score

67/100

Risk levelMedium

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

LU-CIX is a Luxembourg-based Internet Exchange Point founded in 2009, providing open and neutral peering and connectivity services to networks and content providers in Luxembourg and Europe. The organization operates as a non-profit entity, focusing on interconnecting critical networks in a secure and trusted environment. Their key services include public peering, route servers, blackholing, partner IX peering, and VoIP-X services, positioning them as a central telecommunications infrastructure player in Luxembourg. Technically, the website is built on WordPress CMS with modern JavaScript libraries such as jQuery and Owl Carousel, and uses Matomo for privacy-conscious analytics. The site is mobile-optimized with good SEO practices and moderate performance. Security-wise, the site enforces HTTPS and uses secure form submission techniques but lacks some security headers and a cookie consent mechanism, which are recommended for enhanced security and compliance. The security posture is solid but could be improved by adding explicit security policies, incident response contacts, and cookie consent to align better with GDPR requirements. The absence of WHOIS data limits domain trust verification, but the website content and business presence indicate a legitimate and professional operation. Overall, LU-CIX presents a trustworthy and professional digital presence with room for security and privacy enhancements to strengthen compliance and user trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
28/ 100 · High
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

5 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

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  2. 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 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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Keep watching lu-cix.lu

This scan found 22 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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  • 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
85
Security headers
30
Email security
75
DNS health
85
Network security
100
GDPR outside view
28
Average
67

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

LU-CIX holds a strong market position as Luxembourg's national Internet Exchange Point, serving a niche but critical telecommunications sector. Its non-profit business model focuses on providing essential infrastructure services to ISPs, network operators, and enterprises requiring efficient internet traffic exchange. The organization benefits from strategic partnerships and memberships with Euro-IX, RIPE, and MANRS, enhancing its credibility and ecosystem integration. The website reflects a stable and mature operation with a clear target audience in the telecommunications and internet infrastructure sectors. Growth indicators include recent news about new members and product launches like Luxchat, signaling active community engagement and service expansion.

Security posture

The website demonstrates a moderate to good security maturity level with enforced HTTPS and secure form handling. However, the lack of security headers such as Content-Security-Policy and absence of explicit incident response or security policy pages indicate areas for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. GDPR compliance is partially met with a comprehensive privacy policy but lacks a cookie consent mechanism. Incident response readiness and data protection officer contact information are not publicly available, which could impact trust and compliance. Overall, the security posture is adequate for the business type but would benefit from enhanced transparency and technical controls.

Recommendations

  1. Implement HTTP security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to mitigate common web vulnerabilities.
  2. Add a cookie consent banner or mechanism to comply fully with GDPR cookie regulations and enhance user privacy transparency.
  3. Publish explicit security policy and incident response information on the website to improve trust and preparedness.
  4. Consider providing direct company contact emails and phone numbers for better accessibility and credibility.
  5. Investigate and resolve WHOIS data availability issues to improve domain registration transparency and trustworthiness.

Contact details published on the site

Addresses
Legal name
LU-CIX ASBL
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
LU-CIX
Description
LU-CIX provides an open and neutral solution to carry your traffic in Luxembourg and to all Internet users around Europe.
Key services
Public Peering, Route-Servers, Blackholing service, Partner IX Peering, VoIP-X service
Content quality
good
Branding
consistent

Technology

Stack
WordPress, jQuery, Matomo Analytics, Owl Carousel, FontAwesome
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Secure form submission with anti-CSRF tokens
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Matomo
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professional and relevant to telecommunications and internet exchange services.
  3. WHOIS data is unavailable due to malformed domain query; limits domain trust analysis.
  4. Privacy policy and terms of service are present and accessible.
  5. No direct company contact emails or phone numbers found in HTML content; contact likely via form.
  6. Use of Matomo analytics indicates privacy-conscious tracking.
  7. No cookie consent banner detected, which may be a GDPR compliance gap.
  8. Website uses WordPress CMS with modern JavaScript libraries.
  9. No explicit security headers detected in HTML content; recommend adding for improved security posture.
Technical notes

Notes

The website is built on a WordPress CMS platform using jQuery and Owl Carousel for interactive elements, and Matomo for analytics, indicating a modern but standard technology stack. The site is mobile responsive with good SEO metadata including Open Graph and JSON-LD structured data for enhanced search engine visibility. Performance is moderate with asynchronous script loading and optimized images. However, there is some technical debt indicated by the lack of security headers and missing cookie consent mechanisms. The site does not expose sensitive data and uses secure form submission with anti-CSRF tokens. Hosting provider details are not explicitly identified from the content. Overall, the technical implementation supports the business needs but could be modernized with improved security and privacy features.
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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