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Security report for haldentennis.com

Halden Tennisklubb · Other · Norway

High risk. 9 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

41/100

Risk levelHigh

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

Halden Tennisklubb is a well-established local tennis club in Norway, founded in 2000, providing tennis facilities, training, and community engagement for players of all ages. The club emphasizes inclusion and offers free training for children, supported by local sponsorships and a strong volunteer culture. The website reflects a professional and community-focused organization with clear contact information and active social media presence. Technically, the site is built on WordPress using Elementor and WooCommerce, with good SEO practices and moderate performance. Security posture is adequate with HTTPS enabled but lacks advanced security headers and privacy policies, indicating room for improvement in compliance and security best practices. Overall, the domain registration data supports the legitimacy and transparency of the club. Strategic recommendations include implementing privacy and cookie policies, enhancing security headers, and maintaining regular updates to plugins and WordPress core.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

9 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 haldentennis.com

This scan found 28 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
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  • 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
47
Security headers
15
Email security
70
DNS health
60
Network security
20
GDPR outside view
35
Average
41

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

The club operates as a non-profit sports organization targeting local tennis players and families, leveraging membership fees, training courses, and sponsorships as revenue streams. It maintains partnerships with local businesses and service providers, enhancing its community presence and operational support. The business model focuses on accessibility and engagement, with free training for children and social activities fostering member retention. The website's content and linked partner domains indicate a stable ecosystem with local relevance and trust. Growth opportunities may include expanding digital engagement and formalizing compliance frameworks to align with evolving data protection regulations.

Security posture

The website demonstrates a basic security posture with HTTPS enabled and domain transfer protection. However, it lacks DNSSEC and critical security headers such as Content-Security-Policy and X-Frame-Options, which could mitigate common web threats. No evidence of exposed sensitive data or vulnerable libraries was found, but the absence of privacy and cookie policies suggests compliance gaps with GDPR. Incident response and security policy documentation are not present, indicating limited formal security governance. The club should prioritize implementing security headers, privacy compliance measures, and regular security audits to enhance resilience and trust.

Recommendations

  1. Implement a comprehensive privacy policy and cookie consent mechanism to ensure GDPR compliance.
  2. Enable DNSSEC on the domain to strengthen DNS security and prevent spoofing.
  3. Add essential security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  4. Establish and publish a security policy and incident response plan accessible to users.
  5. Maintain up-to-date WordPress core and plugins to mitigate vulnerabilities and improve performance.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Halden Tennisklubb
Description
Halden Tennisklubb is a tennis club offering tennis facilities including indoor and outdoor courts, training for all ages, social activities, and membership benefits. They emphasize inclusion, community engagement, and offer free training for children participating in courses.
Key services
Tennis court booking, Tennis training and courses, Membership with benefits, Club merchandise sales, Social and community events
Content quality
good
Branding
consistent

Technology

Stack
WordPress, WooCommerce, Elementor, Yoast SEO, jQuery, Slick Slider
Frameworks
Elementor
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS enabled
  • Domain status clientTransferProhibited

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is rich and relevant to the tennis club's activities and community.
  3. No privacy or cookie policies found, indicating compliance gaps.
  4. Contact information is clearly provided with email, phone, and physical address.
  5. Use of modern WordPress plugins and themes with SEO optimization.
  6. No explicit security headers detected; room for improvement in security posture.
  7. Multiple external partner and sponsor domains linked.
  8. No analytics or tracking scripts detected, indicating minimal user tracking.
Technical notes

Notes

The website is built on a modern WordPress platform using Elementor for page building and WooCommerce for e-commerce capabilities. It employs common libraries such as jQuery and Slick Slider for UI enhancements. The site is mobile-optimized with responsive design and good SEO metadata including Open Graph and JSON-LD structured data. Hosting appears to be local with DNS servers from Monsternett.no, supporting regional performance. Performance is moderate with no major blocking issues detected. Accessibility is basic but could be improved with ARIA roles and enhanced keyboard navigation. The site lacks advanced analytics or tracking scripts, indicating minimal user tracking and privacy-friendly design.
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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