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Security report for divein.co.uk

Dive In Ltd · Other · United Kingdom

Medium risk. 7 critical or high findings in SSL/TLS, Security headers and 1 other check.

Security score

55/100

Risk levelMedium

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

Dive In Ltd is a well-established UK-based scuba diving training centre with over 40 years of experience. The company offers a wide range of diving courses from beginner to technical instructor levels, along with dive trips and professional certifications. The website reflects a professional and trustworthy business with clear contact information and customer testimonials, positioning itself as a reputable player in the diving training market. Technically, the website is built on WordPress with a modern theme and plugins, providing a good user experience and mobile optimization. However, there is room for improvement in SEO and accessibility. Security-wise, the site uses HTTPS but lacks important security headers and formal policies such as privacy and cookie policies, which impacts compliance and security posture. Overall, the domain age and WHOIS data support the legitimacy of the business, with no suspicious indicators detected.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 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

7 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. 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

  3. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

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

Keep watching divein.co.uk

This scan found 28 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.

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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
27
Security headers
30
Email security
70
DNS health
50
Network security
100
GDPR outside view
50
Average
55

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

Dive In Ltd operates in the niche market of scuba diving training and adventure trips, targeting individuals from beginners to professional divers. Its long-standing presence and PADI 5* Instructor Development Centre certification provide competitive advantages. The business model is service-oriented, focusing on training, certifications, and dive experiences. The company maintains a clear partnership ecosystem with no detected subsidiaries or related domains. Growth indicators include a large number of certifications issued and a broad course offering. The website content and testimonials reinforce customer trust and market credibility.

Security posture

The website demonstrates a basic security posture with HTTPS enabled, ensuring encrypted communications. However, the absence of security headers such as Content-Security-Policy and X-Frame-Options reduces protection against common web attacks. No vulnerability disclosure or incident response policies are present, which could hinder timely handling of security incidents. The lack of privacy and cookie policies also indicates compliance gaps with GDPR and related regulations. No exposed sensitive data or vulnerable libraries were detected in the provided content. Overall, the security maturity is moderate but could be significantly improved with policy implementations and security header configurations.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie consent mechanism to improve GDPR compliance.
  2. Add security headers including Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, and Strict-Transport-Security to enhance web security.
  3. Establish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Provide incident response contact information such as security@ or abuse@ email addresses to improve readiness.
  5. Regularly audit and update WordPress plugins and themes to mitigate risks from vulnerable components.

Contact details published on the site

Addresses
Legal name
Dive In Ltd
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Dive In Ltd
Description
Dive In Ltd is a UK-based dive centre offering diver training from beginner to technical instructor levels. It is one of the longest established and busiest dive centres in the UK, providing courses, dive trips, and professional certifications.
Key services
Diver training courses (Beginner to Tec Instructor Trainer), Dive trips and adventures, Professional level courses, Equipment hire and sales, First aid certifications
Content quality
good
Branding
consistent

Technology

Stack
WordPress 7.0, jQuery 3.7.1, Superb Blocks plugin, Elitegrove theme, FontAwesome 5.15.3, Animate.css
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • HTTPS enforced

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

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. No privacy policy, cookie policy, or terms of service pages found.
  3. Contact information is clearly provided including email, phone, and physical address.
  4. Website uses WordPress CMS with common plugins and themes.
  5. No analytics or tracking scripts detected.
  6. No security headers detected in the HTML content.
  7. Content is professional and relevant to scuba diving training.
  8. No adult or explicit content detected.
  9. Domain age and WHOIS data support legitimacy of the business.
Technical notes

Notes

The website is built on WordPress 7.0 using the Elitegrove theme and Superb Blocks plugin, leveraging jQuery and FontAwesome for UI enhancements. Hosting is provided by Hosting Concepts B.V., a reputable European registrar. The site loads with moderate performance and is mobile optimized with good design quality. SEO optimization is basic with proper meta tags but lacks advanced structured data or Open Graph tags. Accessibility features are minimal but present. There is no evidence of analytics or tracking services, indicating minimal user tracking. Technical risks include missing security headers and lack of formal privacy and cookie policies, which could affect compliance and security posture.
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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