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Security report for castletrust.co.uk

Castle Trust Bank · Finance · United Kingdom

Low risk. 1 critical or high finding in SSL/TLS.

Security score

82/100

Risk levelLow

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

Castle Trust Bank operates as a UK-based financial services provider specializing in savings accounts, ISAs, and property finance solutions including bridging loans and buy-to-let financing. The website targets retail customers and property investors seeking competitive savings products and property investment financing. The business positions itself as a niche player in the UK finance and real estate sectors, offering tailored financial products to its audience. Technically, the website is built on WordPress using the Elementor page builder and Astra theme, incorporating modern web technologies such as Google Analytics, Google Tag Manager, and CookieYes for consent management. The site demonstrates good mobile optimization and SEO practices, with structured data enhancing search engine visibility. Security-wise, the site enforces HTTPS and implements a detailed cookie consent mechanism, but lacks some recommended security headers and explicit privacy and terms of service pages. The WHOIS data for the domain is unavailable due to a naming rules violation error from Nominet UK, which is unusual and warrants further investigation. Overall, the website is professional and trustworthy in appearance, but the domain registration anomaly slightly reduces confidence.

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

1 finding 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

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Keep watching castletrust.co.uk

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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
77
Security headers
90
Email security
75
DNS health
65
Network security
100
GDPR outside view
83
Average
82

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

Castle Trust Bank serves a focused market segment within the UK financial services and property investment sectors. Its business model revolves around providing savings products and property finance solutions, targeting retail investors and property owners. The company leverages digital marketing tools and analytics to engage its audience and optimize user experience. The presence of Trustpilot widgets indicates an emphasis on customer trust and reputation management. The lack of visible contact details and corporate registration information on the site suggests an opportunity to improve transparency. The domain registration irregularity may impact stakeholder confidence and should be addressed promptly. The company appears to maintain a moderate size and a consistent brand identity, positioning itself as a specialized financial institution.

Security posture

The website demonstrates a baseline security posture with HTTPS enabled and a comprehensive cookie consent mechanism that categorizes cookies by purpose. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options reduces the overall security robustness. No vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of visible privacy policy and incident response contacts limits compliance transparency. The domain WHOIS anomaly is a potential red flag that could indicate registration issues or misconfiguration. To enhance security maturity, the organization should implement recommended HTTP security headers, publish clear privacy and security policies, and provide dedicated security incident contact channels.

Recommendations

  1. Implement comprehensive HTTP security headers including Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy to strengthen site security.
  2. Publish explicit privacy policy and terms of service pages accessible from the homepage to improve compliance and user trust.
  3. Provide clear contact information including dedicated security incident response and abuse contacts to enhance transparency and readiness.
  4. Investigate and resolve the domain WHOIS registration anomaly with Nominet UK to ensure domain legitimacy and stakeholder confidence.
  5. Conduct regular security audits of third-party scripts and plugins to mitigate potential vulnerabilities and maintain compliance.

Contact details published on the site

Legal name
Castle Trust Bank
Registration number
company number 07454474
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Castle Trust Bank
Description
Welcome to Castle Trust Bank. If you're looking for an ISA or Savings account, or investing in Property, we're here to help you every step of the way.
Key services
ISA accounts, Savings accounts, Property finance, Bridging loans, Buy to let finance
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Elementor, Astra Theme, Google Analytics, Google Tag Manager, GSAP (GreenSock Animation Platform), CookieYes Consent Management
Frameworks
WordPress CMS, Elementor page builder
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with detailed categories
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Google Tag Manager
Tracking pixels
Trustpilot widget
Marketing tools
Rank Math SEO, CookieYes Consent Management
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 no blocking or WAF challenges
  2. Content is professionally presented and relevant to finance and property investment
  3. Cookie consent mechanism is implemented with detailed categories
  4. No explicit privacy policy or terms of service pages found in the provided content
  5. No direct contact emails or phone numbers found in the HTML content
  6. WHOIS data is missing or inaccessible due to domain naming rules violation
  7. Use of modern web technologies and analytics tools
  8. No adult or questionable content detected
  9. Security headers could be improved
Technical notes

Notes

The website is built on a modern WordPress CMS platform using the Elementor page builder and Astra theme, which supports responsive design and SEO optimization. It integrates Google Analytics and Google Tag Manager for analytics and marketing tracking, alongside CookieYes for GDPR-compliant cookie consent management. The site loads a variety of JavaScript libraries including GSAP for animations, enhancing user experience. Performance is moderate with good mobile optimization. Accessibility features are basic but present. The technical stack is current and widely supported, though there is room for improvement in security header implementation and explicit privacy compliance documentation.
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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