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Security report for tminvestment.com

Thomas Miller Investment · Finance · United Kingdom

Medium risk. 4 critical or high findings in Email security, GDPR outside view and 1 other check.

Security score

74/100

Risk levelMedium

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

Thomas Miller Investment is a specialist investment management firm focused on providing bespoke and collective investment solutions for institutional clients. With over 25 years of experience and £2.3bn in funds under management, the company positions itself as a trusted advisor in the finance sector, particularly serving mutual and captive insurance, charities, and government/local authorities. The website reflects a professional and consistent brand image, targeting institutional investors and advisers. Technically, the site is built on TYPO3 CMS, integrates Google Tag Manager and YouTube APIs, and employs Google reCAPTCHA for form security. The site is mobile optimized and SEO friendly, though accessibility features are basic. Security posture is good with HTTPS and secure form handling, but lacks explicit security headers and incident response information. WHOIS data is missing, which raises some concerns about domain registration legitimacy, though the overall business credibility remains high due to the professional presentation and association with the Thomas Miller group. Privacy and cookie policies are comprehensive and GDPR compliant. Overall, the website is a solid representation of a medium-sized finance business with room for improvement in security transparency and direct contact information.

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

4 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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

  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

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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
77
Security headers
90
Email security
40
DNS health
70
Network security
100
GDPR outside view
68
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

The company operates in the finance sector, specializing in institutional investment management with a focus on bespoke portfolio solutions and collective funds. Its market position is that of a trusted mid-sized player with a long history since 1988. The business model centers on providing tailored investment advice and management services to institutions such as mutual insurance entities, charities, and government bodies. The firm leverages a network of related Thomas Miller group companies, indicating a strong partnership ecosystem. Revenue streams likely derive from asset management fees and advisory services. The website's content and structure suggest a focus on professional clients and advisers, with growth potential in offshore and onshore markets. The absence of direct contact emails and phone numbers suggests a controlled communication approach, possibly to manage client onboarding carefully. The company benefits from a consistent brand and professional digital presence, supporting its competitive advantage in a specialized niche.

Security posture

The website demonstrates a good security posture with mandatory HTTPS encryption and the use of Google reCAPTCHA to protect forms from automated abuse. However, the absence of visible security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options indicates room for improvement in hardening the site against common web attacks. No sensitive data is exposed in the HTML content, and no vulnerable libraries were detected. The lack of a published security policy or incident response contact reduces transparency and preparedness perception. GDPR compliance is supported by comprehensive privacy and cookie policies. Overall, the security maturity is moderate to good but could be enhanced by implementing additional HTTP security headers and publishing clear security and incident response information.

Recommendations

  1. Implement and verify HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to improve protection against common web vulnerabilities.
  2. Publish a dedicated security policy and incident response contact information to enhance transparency and preparedness.
  3. Add direct company contact emails and phone numbers on the website to improve trust and ease of communication.
  4. Regularly audit third-party scripts and dependencies to ensure no vulnerable libraries are in use.
  5. Consider verifying and publishing domain registration details to resolve WHOIS inconsistencies and improve legitimacy perception.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Thomas Miller Investment
Description
Independent, specialist investment management for institutions. Provides investment management services for institutions with over 25 years of experience, offering bespoke portfolio management and collective investment funds.
Key services
Mutual & Captive Insurance, Charities, Government & Local Authorities
Content quality
good
Branding
consistent

Technology

Stack
TYPO3 CMS, Google Tag Manager, YouTube iframe API, Google reCAPTCHA
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA on forms
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Transparency
good

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 professional design.
  2. No WAF or blocking mechanisms detected.
  3. WHOIS data missing, indicating possible privacy protection or domain registration issue.
  4. Strong branding consistency and clear business focus on institutional investment management.
  5. Use of modern CMS (TYPO3) and integration of Google Tag Manager and reCAPTCHA.
  6. No explicit contact emails or phone numbers found; contact primarily via forms.
  7. Social media presence on Twitter and LinkedIn.
  8. No explicit security policy or incident response contact found.
  9. Privacy and cookie policies present and appear comprehensive.
  10. No adult or questionable content detected.
Technical notes

Notes

The website is built on the TYPO3 CMS platform, a mature and extensible content management system suitable for enterprise use. It integrates Google Tag Manager for analytics and marketing, YouTube iframe API for embedded video content, and Google reCAPTCHA for form security. The site is mobile optimized with responsive images and layout, and SEO best practices are followed with proper meta tags and structured data in JSON-LD format. Performance is moderate, with compressed CSS and JavaScript assets. Accessibility is basic but could be improved with enhanced ARIA roles and keyboard navigation support. Hosting provider details are not explicitly identified. The technical stack is modern and appropriate for the business size, though some technical debt may exist in the form of missing security headers and limited accessibility features.
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

Earlier scans of this domain

  1. 52/100Medium24 findings · partial scanView report
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