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Security report for sherburnaeroclub.com

Sherburn Aero Club Ltd · Transportation · United Kingdom

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

57/100

Risk levelMedium

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

Sherburn Aero Club Ltd operates as a premier flying club and flight training school based in Yorkshire, UK. The company offers a comprehensive range of aviation-related services including pilot training for various certifications, trial and experience flights, and membership-based flying club activities. The website also supports visitor engagement through a restaurant and bar, enhancing its community presence. The business targets aviation enthusiasts, aspiring pilots, and local visitors, positioning itself as a leading regional aviation service provider. Technically, the website employs modern web technologies such as JavaScript, Bootstrap, FontAwesome, and Google Tag Manager, with Laravel framework indications. The site is mobile-optimized, SEO-friendly, and provides a good user experience. Privacy compliance is addressed through visible cookie consent mechanisms and a privacy policy page. However, some security best practices like security headers and incident response information are missing. From a security perspective, the site uses HTTPS with good SSL configuration and avoids exposing sensitive data. The absence of WHOIS registration data is a notable anomaly that reduces trustworthiness and should be investigated further. No signs of WAF or blocking mechanisms were detected, and the content is safe for general audiences. Overall, the website is professional and functional with moderate security posture. Strategic improvements in security headers, incident response transparency, and WHOIS data verification are recommended to enhance trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 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

5 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 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 Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  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 sherburnaeroclub.com

This scan found 22 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

€25per month

  • 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
37
Security headers
50
Email security
70
DNS health
75
Network security
40
GDPR outside view
68
Average
57

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

Sherburn Aero Club Ltd holds a strong market position as Yorkshire's premier flying club and flight training provider. Its business model combines membership services with flight training and public visitor facilities, generating diversified revenue streams. The company targets a niche market of aviation enthusiasts and aspiring pilots, supported by a community-focused approach including events and a restaurant. The presence of active social media channels and regular news updates indicates engagement and growth potential. The lack of WHOIS data is a risk factor but does not currently impact operational credibility. Partnerships appear limited but include the website developer. Overall, the company demonstrates stable operations with opportunities for digital and security enhancements.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and cookie consent implemented. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options reduces protection against common web attacks. No dedicated security policy or incident response contacts are published, which limits transparency and readiness for security incidents. The lack of vulnerability disclosure mechanisms and security.txt file further constrains security communication. No vulnerabilities or exposed sensitive data were detected in the HTML content. Compliance with GDPR is indicated through privacy and cookie policies. Enhancing security headers, publishing security policies, and establishing incident response contacts are recommended to improve security posture.

Recommendations

  1. Implement comprehensive HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and incident response contact information on the website.
  3. Verify and correct WHOIS domain registration data to improve domain legitimacy and trust.
  4. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Maintain and regularly update privacy and cookie policies to ensure ongoing GDPR compliance.

Contact details published on the site

Addresses
Legal name
Sherburn Aero Club Ltd
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sherburn Aero Club Ltd
Description
Sherburn Aero Club is Yorkshire's premier flying club and flight training school based at Sherburn in Elmet Airfield. They offer pilot training including PPL, night rating, instrument rating, aerobatics, ground school, trial flights, flying gift vouchers, and have a restaurant and bar open to the public.
Key services
Pilot training (PPL, night rating, instrument rating, aerobatics, ground school), Trial and experience flights, Flying club membership, Restaurant and bar facilities, Visitor information and airfield services
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Bootstrap, FontAwesome
Frameworks
Laravel (indicated by laravelCookieConsent script)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics (via Google Tag Manager)
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation
  2. No WAF or blocking mechanisms detected
  3. WHOIS data is missing or not available, which is unusual
  4. Privacy and cookie policies are present and implemented
  5. Contact information is clear and consistent
  6. No security policy or incident response information found
  7. No vulnerability disclosure or security.txt found
  8. Website uses modern technologies and tracking tools
  9. Content is safe and appropriate for general audiences
Technical notes

Notes

The website is built using modern web technologies including JavaScript, Bootstrap for responsive design, FontAwesome for icons, and Google Tag Manager for analytics and marketing. The presence of Laravel framework scripts indicates a robust backend. The site loads with moderate performance and is mobile-optimized with good accessibility basics. SEO is well addressed with proper meta tags and Open Graph data. No CMS was explicitly detected. Hosting provider details are not available from the content. The technical implementation supports a positive user experience but could benefit from enhanced security configurations and performance optimizations.
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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