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Security report for marshalladg.com

Marshall Group · Manufacturing · United Kingdom

Medium risk. 2 critical or high findings in SSL/TLS.

Security score

74/100

Risk levelMedium

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

Marshall Group is a well-established aerospace and manufacturing company based in the United Kingdom, with a strong market position as a global authority in Lockheed Martin C-130 Hercules maintenance, repair, and overhaul (MRO). The company offers applied engineering services, precision manufacturing, and technology solutions primarily targeting governments, aerospace OEMs, and defense contractors. The website reflects a professional and comprehensive digital presence with clear navigation, rich content, and active social media engagement. Technically, the site employs modern tools such as Google Tag Manager and Cookiebot for analytics and consent management, hosted behind Cloudflare DNS, ensuring reliable performance and security. Security posture is solid with HTTPS enforced and domain protections in place, though improvements could be made by enabling DNSSEC and publishing explicit security policies. Privacy compliance is strong with GDPR-aligned policies and cookie consent mechanisms. Overall, the website demonstrates high professionalism, trustworthiness, and digital maturity.

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

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
    • 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

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Keep watching marshalladg.com

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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
37
Security headers
70
Email security
70
DNS health
85
Network security
100
GDPR outside view
83
Average
74

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

Marshall Group operates in the aerospace and defense manufacturing sector with a diversified portfolio including engineering services and precision manufacturing. The company leverages decades of experience and long-standing relationships with key industry players, positioning itself as a trusted partner for governments and aerospace OEMs. The business model focuses on delivering end-to-end solutions from maintenance to engineering and manufacturing. The website content and structure support a B2B target audience with detailed service descriptions and investor relations information. The company maintains a consistent brand image and transparent legal disclosures, enhancing credibility. Growth indicators include recent news on hydrogen-electric capabilities and strategic partnerships. The partnership ecosystem is implied through references to Lockheed Martin and Boeing programs.

Security posture

The website exhibits a mature security posture with HTTPS enabled and domain status locks preventing unauthorized changes. Cookie consent is managed via Cookiebot, ensuring compliance with privacy regulations. However, the absence of DNSSEC and security headers such as Content-Security-Policy and Strict-Transport-Security represents areas for enhancement. No exposed sensitive data or vulnerable libraries were detected. The lack of a published security policy or incident response contact limits transparency in security governance. Overall, the site is secure for visitors but could improve its security communication and technical defenses to align with best practices.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Publish a clear security policy and provide incident response contact details on the website.
  3. Implement additional HTTP security headers such as Content-Security-Policy, X-Content-Type-Options, and Strict-Transport-Security.
  4. Regularly audit and update third-party libraries and scripts to mitigate vulnerabilities.
  5. Enhance accessibility features to improve compliance and user experience for all visitors.

Contact details published on the site

Addresses
Legal name
Marshall of Cambridge (Holdings) Limited
Registration number
02051460
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Marshall Group
Description
Marshall has a diverse portfolio of businesses across a range of sectors including aerospace and defence, temperature-controlled distribution, skills and more.
Key services
Maintenance, repair and overhaul (MRO), Engineering services, Precision manufacturing
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Cookiebot, Typekit Fonts, jQuery (implied by slick slider usage), Slick Slider
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • Domain status includes clientDeleteProhibited and other EPP protections

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google
Tracking pixels
Cookiebot
Marketing tools
Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Comprehensive legal and privacy documentation is present.
  3. Cookie consent is implemented via Cookiebot with detailed cookie categorization.
  4. Social media presence is active and linked in footer.
  5. No direct company emails or phone numbers found in HTML content; contact likely via contact page form.
  6. Use of modern web technologies and analytics tools.
  7. No explicit security policy or incident response contact found on site.
  8. No vulnerability disclosure or security.txt file detected.
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager for analytics and Cookiebot for cookie consent management. Fonts are served via Adobe Typekit, and interactive elements use the Slick Slider library. The site is hosted with DNS managed by Cloudflare, providing reliable DNS resolution and potential DDoS protection. Performance is moderate with lazy loading of images and responsive design for mobile devices. No explicit CMS was detected, suggesting a custom or proprietary platform. SEO is supported by proper meta tags and Open Graph data. Accessibility is basic but could be improved. The site does not expose any sensitive data in the HTML and uses secure cookies for session management.
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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