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Security report for colruytgroup.com

Colruyt Group · Retail · Belgium

Low risk. 4 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

77/100

Risk levelLow

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

Colruyt Group is a large Belgian retail group with a significant employee base and operations in multiple countries. The website presents a professional and consistent brand image, targeting a general audience interested in retail services. The technical infrastructure includes modern web technologies such as Adobe Experience Manager CMS, Dynatrace Real User Monitoring, and Tealium tag management, indicating a mature digital presence. Security posture is good with HTTPS enforced and some cookie security practices observed, though explicit security headers and policies are not evident. The absence of WHOIS data limits domain registration trust but is likely due to privacy protection common in corporate domains. Overall, the website is well-designed, performant, and trustworthy with room for improvement in privacy and security disclosures.

Scanned

NIS2 and GDPR posture

GDPR outside view
73/ 100 · Medium
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

4 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 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. GDPR outside view

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

    • 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

  3. 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

      SSL Certificate Expires Soon

      SSL certificate expires in 28 days

      What to do: Renew SSL certificate before expiration

      • NIS2 21(2)(h)
      • IR 2024/2690 9.2(c): Implementing Regulation (EU) 2024/2690, Annex point 9.2(c): Cryptography
      • NIST SC-17: NIST SP 800-53 Rev. 5 SC-17: Public Key Infrastructure Certificates

  4. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Domain Expires Soon

      Domain expires in 26 days

      What to do: Renew domain registration before expiration

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

Keep watching colruytgroup.com

This scan found 17 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.

Daily monitoring

Recommended

€25per month

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

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
70
Email security
70
DNS health
65
Network security
100
GDPR outside view
73
Average
77

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

Colruyt Group operates as a retail conglomerate with a family business heritage. Its market position is strong in Belgium and neighboring countries, supported by a large workforce. The business model focuses on retail operations, likely including supermarkets and related services. The website's use of multiple subdomains suggests a complex ecosystem possibly including e-commerce and customer management platforms. The company leverages advanced analytics and monitoring tools to optimize user experience and operational performance. No direct contact or regulatory information is visible, which may be available on other pages. The group appears to maintain consistent branding and professional content, supporting its credibility in the retail sector.

Security posture

The website employs HTTPS and uses SameSite cookie attributes, indicating attention to secure session management. Dynatrace monitoring scripts are present, which help in performance and security monitoring. However, no explicit security headers such as Content Security Policy or HSTS were detected in the provided content. There is no visible privacy policy, cookie consent mechanism, or vulnerability disclosure information, which are important for compliance and transparency. The lack of WHOIS data reduces visibility into domain ownership but is not uncommon for corporate domains using privacy services. Overall, the security posture is moderate to good but could be enhanced by publishing clear policies and implementing additional HTTP security headers.

Recommendations

  1. Publish comprehensive privacy and cookie policies with clear user consent mechanisms.
  2. Implement and disclose a vulnerability disclosure policy and security contact information.
  3. Add HTTP security headers such as Content Security Policy, HSTS, X-Content-Type-Options, and X-Frame-Options.
  4. Provide visible and verified contact information including emails and phone numbers for customer and security inquiries.
  5. Regularly audit third-party scripts and dependencies to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Colruyt Group
Description
Welcome to Colruyt Group, a Belgian family business that grew into a retail group with nearly 33,000 employees and active in three countries.
Key services
Retail operations
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Dynatrace RUM, Google Fonts, Typekit Fonts
Frameworks
Vue.js (implied by vue-tasting CSS classes)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced (implied by canonical URL)
  • Use of SameSite=Lax cookies (in scripts)
  • Google site verification present

Analytics and tracking

Services
Dynatrace RUM, Tealium iQ
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Tealium iQ Tag Management (tiq.colruytgroup.com)
Marketing tools
Dynatrace Real User Monitoring
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 challenge
  2. No explicit privacy, cookie, or terms of service pages detected in provided content
  3. No contact emails or phone numbers explicitly found in HTML content
  4. Use of advanced monitoring and tag management tools (Dynatrace, Tealium)
  5. Website uses modern fonts and responsive design
  6. No security.txt or vulnerability disclosure policy found
  7. WHOIS data unavailable, limiting domain registration insights
Technical notes

Notes

The website is built on Adobe Experience Manager CMS, leveraging Vue.js components and modern font services like Google Fonts and Adobe Typekit. It uses Dynatrace for real user monitoring and Tealium for tag management, indicating a sophisticated analytics and performance monitoring setup. The site is mobile optimized with responsive design and good SEO practices including canonical and hreflang tags. Performance is moderate, with asynchronous loading of scripts. No major technical debt or deprecated technologies were detected. Opportunities exist to improve accessibility and security header implementation to further enhance technical robustness.
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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