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Security report for arte.de

ARTE · Media · Germany

Low risk. 3 critical or high findings in Security headers and GDPR outside view.

Security score

76/100

Risk levelLow

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

ARTE is a prominent European public media broadcaster offering a wide range of cultural, educational, and entertainment content including documentaries, films, series, and concerts. The platform is well-established with a strong market position in Germany and Europe, targeting a general audience with free, ad-free streaming services. The website demonstrates a mature digital infrastructure using modern technologies such as React and Next.js, ensuring fast performance and excellent mobile optimization. Security posture is strong with HTTPS enforcement and standard security headers, although explicit security policies and incident response information are not publicly detailed. Privacy compliance is robust, with comprehensive GDPR-aligned privacy and cookie policies and a designated data protection contact. Overall, ARTE's website reflects a professional, trustworthy, and user-friendly platform with high content quality and strong business credibility.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

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. GDPR outside view

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

    • 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

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

Keep watching arte.de

This scan found 20 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
90
Security headers
60
Email security
70
DNS health
75
Network security
100
GDPR outside view
58
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 arte.de, from OffSeq Breach.

Total records
49
Employees
0
Customers
49
Third parties
0
Weak passwords
6%

1 subdomain 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 arte.de.

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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

ARTE operates as a public media entity focusing on cultural and educational content, leveraging a free streaming business model supported by public funding and partnerships. Its competitive advantage lies in its curated European content and multi-language accessibility. The platform integrates with various partner domains such as EBU and boutique.arte.tv for merchandising. The target audience is broad, encompassing general viewers interested in quality cultural programming. The company maintains a consistent brand presence across web and mobile platforms, supported by official social media channels and app store listings. Growth indicators include ongoing feature flag deployments and modern web technologies adoption, signaling continuous digital evolution.

Security posture

The website employs HTTPS with strong SSL configurations and includes key security headers such as Content-Security-Policy and Strict-Transport-Security, indicating a solid baseline security posture. No vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a publicly available security policy, incident response plan, or vulnerability disclosure program suggests areas for improvement in transparency and readiness. The use of third-party scripts like TagCommander for tracking is noted, but no high-risk libraries or insecure forms were identified. Overall, the security maturity is good but could benefit from enhanced documentation and proactive disclosure mechanisms.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency and trust.
  2. Implement and publicize a vulnerability disclosure program including a security.txt file.
  3. Regularly audit and update third-party scripts to mitigate potential supply chain risks.
  4. Enhance contact options for security incidents, including abuse and security-specific email addresses.
  5. Continue investing in accessibility and SEO improvements to maintain high user experience standards.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ARTE
Description
Dokus, Filme, Serien, Konzerte aus Europa und der Welt: Tausende Programme werbefrei streamen. Jetzt auf arte.tv!
Key services
Documentaries, Films, Series, Concerts, Streaming service
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, JavaScript, Polyfill.io, Bowser (browser detection)
Frameworks
Next.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Browser compatibility checks
  • No exposed sensitive data in HTML
  • Use of modern JavaScript libraries

Analytics and tracking

Services
TagCommander
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
TagCommander
Marketing tools
TagCommander
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 no blocking or WAF challenges.
  2. Content is high quality, professionally presented, and culturally focused.
  3. Strong privacy and cookie policies with GDPR compliance.
  4. No direct WHOIS data available, indicating privacy protection or registry restrictions.
  5. Use of modern web technologies and frameworks.
  6. No suspicious or malicious indicators found.
  7. Social media and app presence reinforce legitimacy.
  8. No explicit security policy or incident response page found publicly.
Technical notes

Notes

The website is built on a modern React and Next.js stack, leveraging server-side rendering and client-side hydration for performance and SEO benefits. Polyfills are used to ensure compatibility with older browsers, and browser detection scripts redirect unsupported browsers to an error page, enhancing user experience. The site is mobile-optimized with responsive design and accessibility considerations. External resources are loaded from dedicated CDNs, improving load times. No CMS was explicitly detected, suggesting a custom or headless CMS approach. Hosting details are not disclosed, but performance indicators suggest a reliable infrastructure. Technical risks are minimal, with opportunities for further modernization in security transparency and incident management.
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. 76/100Low28 findingsView report
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