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Security report for united-internet-media.de

United Internet Media · Media · Germany

Medium risk. 4 critical or high findings in GDPR outside view and Security headers.

Security score

73/100

Risk levelMedium

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

United Internet Media is a large, Germany-based exclusive media marketer for United Internet AG brands, offering a wide range of digital advertising and dialog marketing services including programmatic, native, display, video, and email marketing. The website is built on TYPO3 CMS and integrates advanced consent management tools such as PermissionClient and OneTrust, reflecting a mature approach to privacy compliance. Security measures include valid SSL with strong cipher suites, SPF and DMARC records with quarantine policies, though improvements like DNSSEC and HSTS are recommended. The site demonstrates good content quality, navigation, and user experience, targeting advertisers and marketers seeking comprehensive media solutions. Overall, the company maintains a high trustworthiness level with a solid digital presence.

Scanned

NIS2 and GDPR posture

GDPR outside view
18/ 100 · Critical
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. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  2. 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';…

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Keep watching united-internet-media.de

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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
92
Security headers
70
Email security
70
DNS health
85
Network security
100
GDPR outside view
18
Average
73

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

United Internet Media operates in the media and technology sectors, focusing on digital advertising solutions for United Internet AG's portfolio including GMX, WEB.DE, mail.com, 1&1, and VZ Medien. Its business model revolves around providing exclusive media sales and marketing services, leveraging first-party data and programmatic advertising. The company offers a broad service portfolio from self-service ad management to advanced targeting and research studies, positioning itself as a key player in the German-speaking digital advertising market. Partnerships with major brands and a comprehensive service ecosystem indicate strong market positioning and growth potential.

Security posture

The website exhibits a good security posture with valid TLS 1.2 encryption using strong cipher suites and no critical vulnerabilities like Heartbleed or FREAK. Email authentication is enforced with SPF and a strict DMARC policy set to quarantine, enhancing protection against spoofing. However, the absence of DNSSEC and CAA records represents a gap in DNS security. The lack of HSTS and OCSP stapling reduces HTTPS enforcement and certificate validation efficiency. No explicit security policy or incident response information is publicly available, which could impact transparency. Overall, the security measures are solid but could be enhanced to align with best practices and regulatory requirements.

Recommendations

  1. Implement DNSSEC to secure DNS infrastructure and prevent spoofing or cache poisoning attacks.
  2. Add CAA records to restrict certificate authorities authorized to issue certificates for the domain.
  3. Enable HTTP Strict Transport Security (HSTS) with includeSubDomains and preload to enforce HTTPS usage.
  4. Activate OCSP stapling to improve SSL certificate validation performance and security.
  5. Publish a clear security policy and incident response plan on the website to enhance transparency and trust.
Technical notes

Notes

The website is built on TYPO3 CMS, a robust content management system, and utilizes various JavaScript libraries including jQuery and Powermail for forms. Consent management is handled via PermissionClient and OneTrust, indicating compliance with privacy regulations. Hosting is provided by 1&1 IONOS, as inferred from DNS and MX records. Performance metrics show a slow load time (~8.3 seconds) with a large page size (~550 KB) and numerous resources (102), suggesting optimization opportunities. Mobile optimization is good, but accessibility is basic. SEO practices are well implemented with canonical and hreflang tags. The technical stack is mature but could benefit from performance tuning and security enhancements.
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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