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Security report for sportschulebubikon.ch

Sportschule Dürnten · Education · Switzerland

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

65/100

Risk levelMedium

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

Sportschule Dürnten is a specialized private educational institution in Switzerland focused on integrating academic education with professional sports training for youth and young athletes. The school offers tailored programs in tennis, polysport, golf, and equestrian disciplines, emphasizing a family-friendly, stress-free environment that supports both school success and athletic development. It also provides mental training, career orientation, and preparation for sports gymnasium admission and US sports scholarships. The institution maintains partnerships with local sports clubs, therapy providers, and fitness centers to enhance its offerings. Technically, the website is built with standard HTML and CSS, presenting well-structured, content-rich pages with good design quality and navigation clarity. However, it lacks advanced technical features such as CMS usage, modern frameworks, or analytics tools. Mobile optimization and accessibility are basic but functional. Security measures are minimal, with no visible security headers or privacy and cookie policies, indicating areas for improvement in compliance and protection. From a security perspective, the site uses HTTPS (assumed but not explicitly confirmed), but lacks essential security headers and incident response contacts. No forms or user data collection mechanisms are present, reducing immediate risk exposure. The absence of privacy and cookie policies suggests non-compliance with GDPR and related regulations, which should be addressed promptly. Overall, the website is professional and trustworthy, serving a niche educational market with clear business credibility. Strategic recommendations include implementing privacy and cookie policies, enhancing security headers, and adding incident response information to improve compliance and security posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 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

7 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

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

Keep watching sportschulebubikon.ch

This scan found 25 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.

Daily monitoring

Recommended

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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
72
Security headers
15
Email security
70
DNS health
80
Network security
100
GDPR outside view
50
Average
65

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

Sportschule Dürnten occupies a niche market in Switzerland, targeting young athletes and sport-enthusiastic children seeking integrated academic and sports education. Its competitive advantage lies in combining reduced academic hours with professional sports training and mental coaching, supported by strong local partnerships. The business model relies on tuition fees, memberships, and room rentals, with a focus on personalized education and sports development. Growth indicators include expansion to a new facility in Dürnten with enhanced infrastructure and additional classes. The partnership ecosystem includes local sports clubs, therapy providers, and fitness centers, strengthening its service offerings and market reach. The school’s emphasis on holistic development and career orientation positions it well within the specialized education sector.

Security posture

The current security maturity level of the website is low to moderate. While HTTPS is presumably enabled, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security reduces protection against common web attacks. No vulnerability disclosure or incident response contacts are provided, limiting transparency and readiness for security incidents. The lack of privacy and cookie policies indicates compliance gaps with GDPR and related data protection laws. No analytics or tracking scripts reduce privacy risks but also limit insights into user behavior. Overall, the security culture appears minimal, with room for significant improvements to align with best practices and regulatory requirements.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy to ensure GDPR compliance and user transparency.
  2. Add essential security headers (Content-Security-Policy, X-Frame-Options, Strict-Transport-Security) to enhance protection against web vulnerabilities.
  3. Establish and display incident response contact information, including security@ or abuse@ email addresses, to improve security readiness and trust.
  4. Conduct a security audit to identify and remediate any potential vulnerabilities or misconfigurations.
  5. Enhance mobile optimization and accessibility features to improve user experience and broaden audience reach.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sportschule Dürnten
Description
Sportschule Dürnten is an educational institution focused on providing tailored schooling for young athletes and sport enthusiasts, combining professional sports training with academic education in a family-friendly and stress-free environment. It offers specialized programs in tennis, polysport, golf, and equestrian sports, alongside academic preparation for gymnasium and vocational pathways. The school emphasizes holistic development, mental training, and career orientation, including support for sports scholarships in the USA.
Key services
Secondary school education with reduced lesson hours, Professional sports training (tennis, polysport, golf, equestrian), Mental training and career orientation, Preparation for gymnasium and sports gymnasium admission, Support for US sports scholarships, Therapy services (osteopathy, massage, craniosacral therapy), Room rentals for training and courses, Indoor golf facility membership
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
40/100

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
good
User experience
good
Content relevance
excellent
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website is fully accessible with rich content focused on sports education.
  2. No privacy or cookie policies found, indicating compliance gaps.
  3. No visible forms or user data collection mechanisms on the main page.
  4. Contact information is clearly provided with email, phone, and physical address.
  5. No social media links detected.
  6. No analytics or tracking scripts detected.
  7. No security headers or advanced security configurations visible.
  8. Content is professionally written in German with some French language tags.
  9. No advertising or marketing tools detected.
  10. Strong focus on holistic sports and academic education for youth.
Technical notes

Notes

The website is built using standard HTML5 and CSS3 without detectable use of modern JavaScript frameworks or CMS platforms. The site structure is clear and content-rich, supporting good user experience and navigation. Performance is moderate, with no explicit indicators of optimization or caching mechanisms. Mobile responsiveness is basic, suggesting potential for improvement. No analytics or tracking technologies are present, which limits data-driven insights but enhances privacy. Hosting provider and SSL configuration details are not available, limiting assessment of infrastructure quality. Overall, the technical implementation is functional but could benefit from modernization and enhanced security configurations.
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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