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Security report for yozu.co.uk

Yozu · Technology · United Kingdom

Medium risk. 3 critical or high findings in SSL/TLS and GDPR outside view.

Security score

68/100

Risk levelMedium

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

Yozu is a UK-based software development company established in 2010, specializing in delivering bespoke digital transformation solutions including ERPs, CRMs, MRPs, mobile apps, SaaS products, and cloud platforms. The company targets ambitious businesses seeking sustainable growth through technology innovation. Their market position is supported by decade-long experience and a broad industry portfolio including finance, manufacturing, healthcare, and logistics. Technically, the website is built on WordPress with modern performance optimizations such as lazy loading and uses reputable hosting by Heart Internet. Security posture is strong with HTTPS, security headers, and no visible vulnerabilities, though formal security policies and incident response contacts are not published. Privacy compliance is well addressed with a comprehensive privacy policy and cookie consent mechanism. Overall, the website reflects a professional, trustworthy, and mature digital presence.

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

3 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

  2. GDPR outside view

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

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

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

Keep watching yozu.co.uk

This scan found 23 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
37
Security headers
80
Email security
60
DNS health
65
Network security
100
GDPR outside view
68
Average
68

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

Yozu operates a B2B business model focusing on software development and digital transformation services. Their competitive advantage lies in end-to-end service offerings from research and discovery to cloud hosting, supported by a skilled team and long-term client partnerships. The company leverages a partner domain (yozucreative.com) for design and branding services, indicating a diversified service ecosystem. Their target customers are businesses across multiple sectors including finance, manufacturing, healthcare, and logistics. The company demonstrates growth potential through active content marketing and social media engagement. No direct revenue streams or financial data are disclosed, but the professional presentation and longevity suggest stable operations.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, presence of key security headers, and use of modern security best practices such as lazy loading and CSP monitoring. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, the absence of a published security policy, vulnerability disclosure program, or incident response contact limits transparency and readiness perception. GDPR compliance is evident through privacy and cookie policies. Overall, the security maturity is good but could be enhanced by formalizing security governance documentation and public disclosure channels.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Implement a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  3. Provide clear incident response contact information, such as a security@ or abuse@ email address.
  4. Regularly review and update third-party scripts and dependencies to mitigate vulnerabilities.
  5. Enhance transparency by publishing data retention policies and privacy impact assessments.

Contact details published on the site

Addresses
Legal name
Yozu
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Yozu
Description
We work collaboratively to design, develop and deliver digital transformation for businesses with ambition that want sustainable and consistent success. ERPs. CRMs. MRPs. Mobile Apps. SaaS Products. Cloud Platforms & Services. APIs.
Key services
Research & Discovery, Design & Innovation, Full Stack Engineering, Mobile Development, Cloud & Platform
Content quality
excellent
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, jQuery, WP Rocket, Google Clarity
Platforms
WordPress
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Lazy loading of scripts and images
  • Content Security Policy monitoring
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Microsoft Clarity, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Microsoft Clarity
Marketing tools
Microsoft Clarity
Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed and well-structured
  2. Comprehensive service offerings in software development and digital transformation
  3. Strong presence on social media platforms
  4. Good SEO and metadata implementation
  5. Use of modern performance and security best practices
  6. No visible security or privacy red flags
  7. No explicit or adult content
  8. Cookie consent mechanism implemented
  9. Contact information clearly provided
Technical notes

Notes

The website is built on WordPress CMS, hosted by Heart Internet, and uses modern front-end technologies including HTML5, CSS3, JavaScript, and jQuery. Performance optimizations include lazy loading of scripts and images via WP Rocket plugin, and integration of Microsoft Clarity and Google Tag Manager for analytics. The site is mobile-optimized with responsive design and accessibility considerations. SEO is well implemented with comprehensive meta tags, Open Graph, and JSON-LD structured data. Technical risks are minimal, but continuous monitoring of third-party scripts and plugin updates is recommended to avoid technical debt and security vulnerabilities.
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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