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Security report for stroeer-direkt.de

Ströer Media Deutschland GmbH · Media · Germany

Medium risk. 5 critical or high findings in GDPR outside view and Security headers.

Security score

66/100

Risk levelMedium

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

Ströer Media Deutschland GmbH operates as a leading regional online and outdoor advertising provider in Germany, offering a broad portfolio of advertising media including street, station, shopping center, and airport placements, as well as digital marketing services such as Google Ads, SEO, and native advertising. The company holds a strong market position as a major German advertising marketer with exclusive media spaces across cities and municipalities. Technically, the website is built on WordPress with a custom theme and plugins, leveraging Matomo for privacy-conscious analytics and Klaro for cookie consent management. However, the site lacks a valid SSL certificate and modern TLS configurations, which poses a significant security risk. The DNS setup uses Cloudflare but does not implement DNSSEC or CAA records, further limiting DNS security. While privacy compliance is well addressed through cookie consent and a comprehensive privacy policy, the absence of terms of service, security policies, and incident response information indicates gaps in transparency and security governance. Overall, the website demonstrates good content quality, user experience, and branding consistency but requires urgent improvements in transport security and security headers to protect user data and enhance trust.

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

5 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 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';…

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

Keep watching stroeer-direkt.de

This scan found 21 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
55
Email security
55
DNS health
80
Network security
100
GDPR outside view
18
Average
66

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

Ströer Media Deutschland GmbH targets businesses seeking regional advertising solutions, combining traditional outdoor media with digital channels to maximize reach and engagement. Their business model focuses on media sales and campaign management, supported by a strong brand and extensive media inventory. The company benefits from partnerships and a parent company relationship with stroeer.de, enhancing market reach and credibility. The presence of career and booking partner sites indicates a mature ecosystem supporting growth and operational efficiency. The company’s focus on regional advertising positions it well in a competitive market, leveraging both physical and digital assets to serve diverse client needs.

Security posture

The current security posture is weak due to the lack of a valid SSL certificate and absence of modern TLS protocols, exposing users to potential interception and data integrity risks. DNS security is minimal with no DNSSEC or CAA records configured. The site implements privacy-respecting analytics and a robust cookie consent mechanism, reflecting good data protection awareness. However, the lack of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms suggests limited preparedness for security incidents and compliance gaps with GDPR and NIS2 requirements. The overall security score is low, and immediate remediation is necessary to safeguard user data and maintain regulatory compliance.

Recommendations

  1. Obtain and deploy a valid SSL/TLS certificate supporting TLS 1.2 or 1.3 to secure all website traffic.
  2. Enable HSTS with includeSubDomains and preload to enforce HTTPS and prevent downgrade attacks.
  3. Implement DNSSEC and CAA records to enhance DNS security and restrict certificate issuance.
  4. Add comprehensive security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Publish clear security policies and incident response contacts to improve transparency and readiness.
  6. Establish a vulnerability disclosure program or security.txt file to facilitate responsible reporting.
  7. Regularly audit and update third-party plugins and scripts to minimize attack surface.
  8. Enhance data retention policies and communicate them clearly to users for GDPR compliance.

Contact details published on the site

Addresses
Legal name
Ströer Media Deutschland GmbH
Technical notes

Notes

The website infrastructure relies on WordPress CMS with custom themes and plugins, including RH Fury and RH Dracula, indicating a tailored user experience. Hosting and DNS are managed via Cloudflare, providing performance and DNS management benefits but lacking advanced DNS security features. The site uses Matomo analytics for visitor tracking, integrated with Klaro for consent management, reflecting a privacy-conscious approach. Performance is moderate with a page load time of approximately 5.3 seconds and 63 resources loaded. Mobile optimization and accessibility are good, supported by responsive design and ARIA attributes. However, the absence of SSL/TLS and modern security configurations represents a critical technical debt and risk. Addressing these issues will improve security posture and user trust significantly.
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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