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Security report for safege.com

SUEZ · Energy · France

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

Security score

74/100

Risk levelMedium

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

SUEZ is a global enterprise specializing in water and waste management, providing circular economy solutions to local authorities and businesses. The company positions itself as a leader in environmental services, focusing on sustainability and resource management. The website reflects a mature digital presence with multilingual support and comprehensive content tailored to a professional audience. Technically, the site employs modern web standards and frameworks, ensuring good performance and accessibility. Security posture is strong with HTTPS enforcement and standard security headers, though explicit incident response contacts and vulnerability disclosure mechanisms are not prominently published. Overall, the site demonstrates a high level of professionalism and compliance with privacy regulations, supporting trustworthiness and business credibility. However, the absence of WHOIS data for the domain is unusual and warrants further verification to confirm domain registration legitimacy.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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 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';…

  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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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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
65
Security headers
30
Email security
75
DNS health
75
Network security
100
GDPR outside view
100
Average
74

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

SUEZ operates primarily in the energy, transportation, and government sectors, delivering essential environmental services. Its business model targets B2B and B2G clients, emphasizing circular economy principles. The company holds multiple ISO certifications, reinforcing its commitment to quality and security standards. The website's global reach is evident from its multilingual content and regional subdomains. Strategic partnerships and subsidiaries are not explicitly detailed on the site, but the brand's global footprint suggests a complex ecosystem. Revenue streams likely derive from service contracts with municipalities and private enterprises. The digital presence supports lead generation and stakeholder engagement through contact forms and detailed service descriptions.

Security posture

The website demonstrates a solid security foundation with HTTPS, security headers, and no visible vulnerabilities in the HTML content. The presence of ISO 27001 certification indicates an organizational commitment to information security management. However, the lack of a published security.txt file or explicit vulnerability disclosure policy limits transparency for security researchers. Incident response contact information is not clearly provided, which could delay reporting and mitigation of security incidents. Privacy compliance is robust, with GDPR-aligned privacy and cookie policies and consent mechanisms. Overall, the security posture is strong but could be enhanced by improving transparency and communication channels for security issues.

Recommendations

  1. Publish a security.txt file to facilitate vulnerability reporting and improve transparency.
  2. Add explicit incident response contact information on the website.
  3. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.
  4. Enhance data retention policy disclosures to improve privacy compliance clarity.
  5. Consider verifying and publishing domain registration details to improve trust and legitimacy signals.

Contact details published on the site

Addresses
Legal name
SUEZ
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SUEZ
Description
SUEZ supports local authorities and businesses with circular solutions in water and waste.
Key services
Water management, Waste management, Circular economy solutions
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Slick Carousel, WebGL, FontFace API
Frameworks
Bootstrap (grid system implied), Slick Carousel
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure cookies
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

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 professional design.
  2. No WAF or blocking mechanisms detected.
  3. WHOIS data is missing or unavailable, which is uncommon for a corporate domain.
  4. Strong compliance with GDPR and cookie consent mechanisms.
  5. Multiple language versions and hreflang tags indicate global presence.
  6. No explicit security.txt or vulnerability disclosure page found.
  7. Contact information is available with multiple channels.
  8. Use of modern web technologies and good SEO practices.
Technical notes

Notes

The website uses a modern tech stack including HTML5, CSS3, JavaScript, and popular libraries like Slick Carousel. The design is responsive and optimized for mobile devices, with good accessibility features. SEO practices are well implemented with proper meta tags, Open Graph, and hreflang attributes for internationalization. Performance is moderate, with some opportunities for optimization in loading times and script management. The absence of a detected CMS suggests a custom or proprietary platform. Hosting provider details are not evident from the HTML content. Overall, the technical infrastructure supports a professional and scalable web presence with room for continuous improvement.
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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