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Security report for zeiss.fr

ZEISS · Technology · 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

ZEISS France is a regional corporate website representing ZEISS, a leading international technology company specializing in optics and optoelectronics. The site presents a professional and well-branded digital presence with multimedia content and multiple language support, targeting a broad audience including healthcare and technology sectors. The technical infrastructure is modern, leveraging Adobe Experience Manager CMS and integrating Google Tag Manager and OneTrust for analytics and cookie consent management. Security posture is good with HTTPS enforced, though explicit security headers and vulnerability disclosure mechanisms are absent. Privacy compliance is partial, with cookie consent present but no clear privacy policy on the homepage. WHOIS data is unavailable, which slightly reduces domain trustworthiness but does not detract from the strong corporate branding and content quality. Overall, the site is professional, secure, and credible with room for improvement in transparency and security best practices.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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 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
    • 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

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

Keep watching zeiss.fr

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
57
Security headers
50
Email security
80
DNS health
70
Network security
100
GDPR outside view
88
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

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 zeiss.fr, from OffSeq Breach.

No leaked records found

Breach holds no records for zeiss.fr right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

ZEISS operates as a global technology leader in optics and optoelectronics, serving healthcare, semiconductor manufacturing, and vision care markets. The French site is part of a broad international network with localized content and language targeting. The business model includes B2B and B2C services and products, with a strong emphasis on innovation and technology leadership. The website reflects a mature digital strategy with integrated marketing and analytics tools. Partnerships and related domains are consistent with the ZEISS corporate group. The absence of direct contact emails or phone numbers on the homepage suggests a controlled communication channel via a dedicated contact page.

Security posture

The website enforces HTTPS and uses modern web technologies, indicating a good baseline security posture. However, the lack of visible security headers such as Content Security Policy, HSTS, or X-Frame-Options is a gap. No security policy or incident response contacts are published, and no vulnerability disclosure or security.txt file is found. The cookie consent mechanism is implemented, supporting GDPR compliance to some extent. No exposed sensitive data or vulnerable libraries were detected in the HTML content. Overall, the site is secure but could enhance transparency and defense-in-depth measures.

Recommendations

  1. Implement and publish a comprehensive privacy policy prominently linked on the homepage.
  2. Add security headers including Content Security Policy, HSTS, and X-Frame-Options to improve security posture.
  3. Publish a security policy and incident response contact information to enhance trust and compliance.
  4. Consider adding a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Improve WHOIS data availability or transparency to strengthen domain trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ZEISS
Description
ZEISS est une entreprise technologique de premier plan à l'échelle internationale opérant dans les domaines de l’optique et de l'optoélectronique.
Key services
optics, optoelectronics, vision care, medical technology, semiconductor manufacturing technology
Content quality
good
Branding
consistent

Technology

Stack
Adobe Helix RUM, Google Tag Manager, OneTrust Cookie Consent, JavaScript ES6+, SVG icons
Frameworks
Adobe Experience Manager (AEM)
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Content Security Policy not explicitly detected
  • No exposed sensitive data in HTML
  • Secure forms with POST method

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
OneTrust Cookie Consent
Marketing tools
OneTrust Cookie Consent
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 multimedia
  2. Strong corporate branding and international presence
  3. No direct contact emails or phone numbers found on main page; contact page linked
  4. Cookie consent banner present and functional
  5. No explicit privacy policy or terms of service links detected on homepage
  6. WHOIS data unavailable, limiting domain trust verification
  7. Use of modern web technologies and Adobe Experience Manager CMS
  8. No security.txt or vulnerability disclosure found
Technical notes

Notes

The site uses Adobe Experience Manager CMS, a robust enterprise platform, combined with modern JavaScript libraries and SVG icons for a responsive and accessible user experience. Google Tag Manager and OneTrust are integrated for analytics and cookie consent management. The site is mobile optimized and SEO friendly with proper meta tags and structured data. Performance is moderate, with some large media assets but overall good loading behavior. Accessibility features such as skip links and ARIA labels are present. There is no indication of outdated or vulnerable libraries in the provided HTML content.
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

Earlier scans of this domain

  1. 73/100Medium30 findingsView report
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