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Security report for wearec8.com

C8 Ltd · Energy · Guernsey

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

62/100

Risk levelMedium

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

C8 Ltd is a Guernsey-based company specializing in mechanical, electrical, and renewable energy solutions for commercial environments. The company positions itself as a trusted leader in its sector, offering tailored services including system design, maintenance, and energy efficiency consulting through its C8 Eco division. The website reflects a professional business model targeting commercial and industrial clients on the island, emphasizing reliability and sustainability. Technically, the site is built on modern frameworks such as Astro and Alpine.js, with integrations for analytics and cookie consent, indicating a mature digital infrastructure. Security posture is moderate with HTTPS implied and cookie consent implemented, but lacks explicit security policies and incident response information. Overall, the website is professional and trustworthy, though it would benefit from enhanced privacy and security disclosures to improve compliance and user trust.

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

4 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 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. 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 256-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

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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
37
Security headers
30
Email security
55
DNS health
65
Network security
100
GDPR outside view
83
Average
62

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 company operates in the energy and real estate sectors, providing essential mechanical and electrical services to commercial clients in Guernsey. Its business model focuses on delivering integrated engineering solutions that improve operational efficiency and sustainability. The presence of a dedicated low-carbon division (C8 Eco) highlights a strategic focus on energy cost reduction and carbon footprint management, aligning with market trends. The website showcases multiple projects and service categories, indicating a diversified service portfolio and active market presence. The lack of direct contact details on the homepage suggests a controlled lead generation approach, possibly via contact forms or internal pages. The company appears well-positioned within its local market with a consistent brand and professional digital presence.

Security posture

The website employs HTTPS and integrates Google Tag Manager and CookieYes for analytics and cookie consent management, reflecting adherence to basic security and privacy practices. However, there is no evidence of advanced security headers or published security policies. The absence of incident response contacts or vulnerability disclosure mechanisms indicates potential gaps in security transparency and readiness. No vulnerabilities or exposed sensitive data were detected in the content. The cookie consent implementation is comprehensive, allowing users to customize preferences, which supports GDPR compliance. Overall, the security posture is adequate for a commercial service website but could be improved by publishing explicit security policies and enhancing technical security controls.

Recommendations

  1. Publish a comprehensive privacy policy page detailing data collection, usage, and user rights.
  2. Add terms of service and security policy pages to enhance legal and security transparency.
  3. Implement and publicize an incident response plan and contact channels for security issues.
  4. Enhance security headers (e.g., Content-Security-Policy, X-Frame-Options) to improve protection.
  5. Improve accessibility features to meet compliance standards and broaden user inclusivity.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
C8 Ltd
Description
C8 is a trusted leader in Guernsey’s mechanical and electrical sector, delivering innovative, reliable solutions to complex challenges, driving progress across industries.
Key services
Mechanical services, Electrical services, Renewable energy solutions, Maintenance and operations, Fire safety and security, Energy efficiency consulting via C8 Eco
Content quality
good
Branding
consistent

Technology

Stack
Astro v5.16.6, Alpine.js, Swiper.js, Mapbox GL JS, Google Tag Manager, CookieYes cookie consent
Frameworks
Astro
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • Use of HTTPS (implied by canonical URL https://www.c8.gg/)
  • Cookie consent banner with customization and rejection options

Analytics and tracking

Services
Google Analytics (via GTM)
Tracking level
moderate
Privacy practices
basic

Advertising

Marketing tools
CookieYes
Transparency
basic

Site quality

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

Key observations

  1. Website uses modern Astro framework with Alpine.js for interactivity
  2. Cookie consent is implemented with detailed categories and user control
  3. No explicit privacy policy or terms of service pages found
  4. No direct contact emails or phone numbers found in visible content
  5. Multiple project showcases and service descriptions indicate active business
  6. No suspicious or malicious content detected
Technical notes

Notes

The website is built using the Astro framework version 5.16.6, leveraging Alpine.js for interactivity and Swiper.js for sliders. It uses Mapbox GL JS for map functionalities and integrates Google Tag Manager for analytics tracking. The CMS appears to be Storyblok, as indicated by embedded scripts. The site includes a cookie consent banner powered by CookieYes, supporting GDPR compliance. Performance is moderate with video content and image optimizations in place. Mobile optimization is good, with responsive navigation and layout. SEO is supported by proper meta tags and Open Graph data. There is room for improvement in accessibility and security header implementation. Hosting provider details are not explicitly identified from the content provided.
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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