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Security report for gasco.org.uk

The General Aviation Safety Council (GASCo) · Transportation · United Kingdom

Medium risk. 2 critical or high findings in SSL/TLS and GDPR outside view.

Security score

73/100

Risk levelMedium

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

The General Aviation Safety Council (GASCo) operates as a UK-based non-profit organization dedicated to improving safety in general aviation through education, events, and publications. The website serves as a hub for safety information, webinars, seminars, and resources targeted at pilots and aviation professionals. It maintains a professional and consistent brand presence with clear navigation and relevant content for its audience. Technically, the website is built with standard web technologies including HTML5, CSS3, and JavaScript, with good mobile optimization and SEO practices. While no CMS or advanced frameworks are detected, the site performs moderately well and includes accessibility features at a basic level. External dependencies include Google Fonts and social media platforms. From a security perspective, the site uses HTTPS and implements a cookie consent mechanism, but lacks explicit security headers and a dedicated security policy page. No incident response contacts or vulnerability disclosure mechanisms are found. The WHOIS data query failed due to querying the subdomain rather than the registered domain, but the domain appears legitimate and consistent with the organization's identity. Overall, the website presents a trustworthy and professional front with room for improvement in security best practices and transparency. The risk level is moderate with no critical vulnerabilities detected, but enhancing security headers and incident response information would strengthen the posture.

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

2 findings rated critical or high. Fix these first.

  1. 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

  2. GDPR outside view

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

    • 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

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

Keep watching gasco.org.uk

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

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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
59
Security headers
80
Email security
70
DNS health
60
Network security
100
GDPR outside view
68
Average
73

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

GASCo holds a respected position within the UK general aviation community as an independent safety council focused on education and accident prevention. Its business model is non-profit, relying on subscriptions, donations, and event participation. The organization targets pilots, aviation clubs, and safety professionals, offering webinars, seminars, and a flight safety magazine. The website reflects a focused content strategy aligned with its mission. Partnerships appear limited to web development and social media channels. Growth indicators are not explicit but the presence of ongoing events and resources suggests active engagement. The lack of detailed company registration or VAT information on the site is typical for non-profits but could be improved for transparency.

Security posture

The website demonstrates a basic security posture with HTTPS enabled and a cookie consent banner indicating privacy awareness. However, the absence of key security headers such as Content Security Policy, X-Frame-Options, and HSTS reduces its defense-in-depth. No forms collecting sensitive data are present on the homepage, minimizing attack surface. The lack of a published security policy or incident response contacts limits transparency and preparedness. No known vulnerabilities or exposed sensitive data were detected in the content. Overall, the security maturity is moderate but could be enhanced by implementing recommended headers, publishing security policies, and establishing clear incident response channels.

Recommendations

  1. Implement standard security headers including Content Security Policy, X-Frame-Options, and HSTS to improve protection against common web attacks.
  2. Publish a dedicated security policy page outlining security practices and incident response procedures to increase transparency and trust.
  3. Add explicit incident response contact information such as security@ or abuse@ email addresses for reporting vulnerabilities or incidents.
  4. Conduct regular security audits of third-party scripts and dependencies to ensure no vulnerable libraries are included.
  5. Enhance accessibility features and mobile responsiveness to improve user experience and compliance with standards.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
The General Aviation Safety Council (GASCo)
Description
General Aviation Safety Council (GASCo) is an organisation dedicated to saving lives in General Aviation through education.
Key services
Safety education, Webinars, Safety evenings, Flight Safety Magazine subscription, Safety resources and publications
Content quality
good
Branding
consistent

Technology

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

Security

Observed score
65/100
Good practices seen
  • HTTPS usage implied by URL
  • Cookie consent mechanism implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
good

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. WHOIS data is unavailable due to querying the subdomain instead of the registered domain.
  3. Website content is focused on aviation safety education and resources.
  4. Clear privacy, cookie, and terms of service policies are present.
  5. Contact information includes a UK phone number and physical address at Rochester Airport.
  6. No forms detected that collect personal data on the homepage.
  7. No explicit security policy or incident response contacts found.
  8. Social media presence on Facebook, Twitter, and YouTube.
  9. No analytics or tracking scripts explicitly detected.
  10. No advertising or affiliate marketing detected.
Technical notes

Notes

The website is constructed using standard web technologies without reliance on a known CMS or complex frameworks, which reduces potential attack vectors but may limit scalability. External resources include Google Fonts and social media links. Performance is moderate with no explicit optimization scripts detected. The site is mobile-friendly and includes basic accessibility features such as skip navigation links. There is no evidence of advanced analytics or tracking tools, indicating a privacy-conscious approach. Hosting provider details are not disclosed. The site could benefit from modern performance enhancements such as caching and minification to improve load times.
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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