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Security report for labo.lu

Laboratoires Réunis Luxembourg S.A. · Healthcare · Luxembourg

Low risk. 3 critical or high findings in Security headers.

Security score

76/100

Risk levelLow

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

Laboratoires Réunis Luxembourg S.A. is a well-established healthcare laboratory service provider in Luxembourg, specializing in medical diagnostics, preventive medicine, and related laboratory analyses. The company operates multiple blood collection centers and offers services tailored to patients and medical professionals. Their affiliation with Biogroup and OLAS accreditation underscores their commitment to quality and reliability. The website is professionally designed, mobile-optimized, and provides comprehensive information about services, contact details, and corporate news. Technically, the site leverages TYPO3 CMS, Bootstrap, and modern analytics and consent management tools, reflecting a mature digital infrastructure. Security posture is strong with HTTPS enforcement and cookie consent mechanisms, though there is room for improvement in publishing explicit security policies and incident response contacts. Overall, the website presents a trustworthy and professional image, though the absence of WHOIS data limits domain registration trust assessment.

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 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 labo.lu

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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  • 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
100
Security headers
20
Email security
75
DNS health
80
Network security
100
GDPR outside view
83
Average
76

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention labo.lu, from OffSeq Breach.

Total records
130
Employees
0
Customers
130
Third parties
0
Weak passwords
15%

11 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for labo.lu.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

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

Business context

Business profile

The company holds a strong market position in Luxembourg's healthcare sector, focusing on laboratory diagnostics and preventive health services. Their business model centers on providing reliable medical testing and analyses, supported by a network of collection centers and digital patient services. The presence of multiple language versions and extensive service offerings indicates a customer-centric approach targeting both patients and healthcare providers. Partnerships with Biogroup and local accreditation bodies enhance credibility and market reach. The website's content and structure suggest a medium-sized enterprise with a stable workforce and a commitment to innovation and quality.

Security posture

The website demonstrates a good security posture with HTTPS enabled and cookie consent compliance aligned with GDPR. Use of third-party scripts like Cookiebot and Facebook Pixel is managed with user consent. However, the absence of a publicly available security policy, incident response information, and vulnerability disclosure mechanisms indicates gaps in transparency and readiness. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. Security headers were not explicitly identified, suggesting potential for enhancement. Overall, the security maturity is moderate to good but could benefit from formalized policies and improved header configurations.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Provide clear incident response contact information to improve transparency and trust.
  3. Implement and publish a security.txt file to facilitate vulnerability disclosures.
  4. Enhance HTTP security headers such as Content Security Policy (CSP), Strict-Transport-Security (HSTS), and X-Frame-Options.
  5. Regularly audit and update third-party scripts to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Legal name
Laboratoires Réunis Luxembourg S.A.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Laboratoires Réunis Luxembourg S.A.
Description
Experts in laboratory diagnostics committed to health and high-quality service, aiming to be a center of excellence in integrative medical diagnostics.
Key services
Blood sample collection, Medical analyses, Preventive medicine tests, Home visits, Corporate blood sampling
Content quality
excellent
Branding
consistent

Technology

Stack
TYPO3 CMS, Bootstrap, Google Tag Manager, Cookiebot, Facebook Pixel, Swiper.js, eyeAble accessibility plugin
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Facebook Ads, Google AdSense
Tracking pixels
Facebook Pixel, Cookiebot session tracker
Marketing tools
Facebook Pixel, Cookiebot
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 navigation
  2. Strong cookie consent and privacy compliance mechanisms
  3. No WHOIS data available, limiting domain trust analysis
  4. Good use of modern web technologies and accessibility features
  5. Clear business contact information and social media presence
  6. No security policy or incident response info publicly available
Technical notes

Notes

The website is built on TYPO3 CMS with Bootstrap for responsive design, ensuring good mobile optimization and accessibility. Integration of Google Tag Manager, Facebook Pixel, and Cookiebot indicates a mature approach to analytics and privacy compliance. Performance is moderate, with potential improvements in script loading and caching strategies. The site features structured data (JSON-LD) for breadcrumbs, enhancing SEO. Accessibility tools like eyeAble are integrated, reflecting attention to inclusive design. Hosting provider details are not explicit, and WHOIS data is unavailable, limiting infrastructure transparency. Overall, the technical implementation is solid with opportunities for optimization and enhanced security configurations.
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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