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Security report for kidstennis.ch

Swiss Tennis · Other · Switzerland

High risk. 6 critical or high findings in Network security, Security headers and 1 other check.

Security score

49/100

Risk levelHigh

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

Swiss Tennis is the official national tennis federation of Switzerland, focusing on promoting tennis at all levels including a dedicated Kids Tennis program for children aged 5 to 12. The website serves as a comprehensive portal for information, training, events, and membership services, positioning Swiss Tennis as a leading sports federation in the country. The digital infrastructure is built on a CMS platform with modern web technologies, integrating analytics and cookie consent tools to ensure compliance and user experience. Security posture is strong with HTTPS and cookie consent mechanisms, though some security headers could be enhanced. The site demonstrates high professionalism, clear navigation, and strong branding consistency. Overall, Swiss Tennis maintains a trustworthy and user-friendly online presence that supports its mission to grow tennis in Switzerland.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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

6 findings rated critical or high. Fix these first.

  1. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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';…

  3. 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 384-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 kidstennis.ch

This scan found 23 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
42
Security headers
45
Email security
75
DNS health
85
Network security
0
GDPR outside view
83
Average
55
After the cap
49

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 · found on this site
  • 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

Swiss Tennis operates as a non-profit sports federation with a medium-sized organizational footprint. Its business model revolves around membership services, training programs, event organization, and partnerships with suppliers and sponsors. The Kids Tennis High School program is a key initiative targeting young children and their families, fostering early engagement in tennis. The federation leverages partnerships with well-known brands and suppliers to enhance its offerings. The website's integration with platforms like myKidsTennis and myTennis indicates a mature digital ecosystem supporting player and club management. Swiss Tennis's market position is strong nationally with affiliations to international tennis bodies, enhancing credibility and reach.

Security posture

The website exhibits a mature security posture with enforced HTTPS, a comprehensive cookie consent mechanism, and no visible exposure of sensitive data. Use of Google Tag Manager and analytics is balanced with privacy controls. However, explicit security headers such as HSTS, Content Security Policy, and Referrer-Policy are not clearly present in the HTML and should be verified server-side. No incident response or security policy pages were found, which could be improved to enhance transparency and readiness. Overall, the site is secure for its purpose but could benefit from additional security best practices and published policies.

Recommendations

  1. Implement and verify HTTP security headers including HSTS, CSP, and Referrer-Policy to strengthen security.
  2. Publish a dedicated security policy and incident response contact information to improve transparency and preparedness.
  3. Regularly audit third-party scripts and cookie usage to ensure no vulnerabilities or privacy issues arise.
  4. Enhance accessibility features to meet higher compliance standards and improve user experience for all visitors.
  5. Consider adding a security.txt file to facilitate responsible vulnerability disclosure.

Contact details published on the site

Addresses
Legal name
Swiss Tennis
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Swiss Tennis
Description
Swiss Tennis is the national tennis federation of Switzerland, providing tennis programs, training, competitions, and development initiatives including the Kids Tennis High School program for children aged 5 to 12 years.
Key services
Kids Tennis High School program, Training and education for coaches and clubs, Event and tournament organization, Membership and club support, Partner and supplier collaborations
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Google Tag Manager, Google Analytics, CookieYes Consent Management
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML
  • Use of secure login endpoints

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Facebook Pixel
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
doubleclick.net
Tracking pixels
Facebook Pixel
Marketing tools
CookieYes
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well-structured.
  2. Comprehensive cookie consent mechanism with detailed categories.
  3. Clear contact information and legal pages present.
  4. Use of multiple social media channels for outreach.
  5. No signs of malicious or suspicious content.
  6. Good integration of analytics and marketing tools with privacy controls.
Technical notes

Notes

The website is built on MoveCMS by MovePeople.ch, utilizing standard web technologies including HTML5, CSS3, and JavaScript. It integrates Google Tag Manager and Google Analytics for tracking, alongside CookieYes for cookie consent management. The site is mobile optimized with responsive design and uses modern image formats and lazy loading for performance. While performance is moderate, there is room for improvement in accessibility and SEO optimization. The hosting provider is not explicitly identified. Overall, the technical infrastructure supports a professional and functional user experience with opportunities for modernization and enhanced security.
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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