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Security report for gl-assessment.co.uk

GL Assessment · Education · United Kingdom

Medium risk. 5 critical or high findings in Security headers, SSL/TLS and 1 other check.

Security score

63/100

Risk levelMedium

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

GL Assessment is an established educational assessment provider focused on improving student outcomes through technology-driven assessment solutions. The company operates under the parent company Renaissance Learning and targets educational institutions, teachers, and students primarily in the United Kingdom. The website presents a professional and consistent brand image with good content quality and clear messaging about their services. Technically, the site is built on WordPress with modern marketing and analytics tools integrated, including Google Tag Manager, Marketo, and Ketch SDK. SEO is well addressed via Yoast SEO plugin and structured data. Security posture is moderate with HTTPS implied but lacking explicit security headers and detailed privacy or cookie policies. The absence of WHOIS data due to domain registration constraints limits full trust verification, but the website's professional presentation and social media presence support legitimacy. Overall, the site is functional and credible but would benefit from enhanced privacy compliance and security best practices.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

5 findings rated critical or high. Fix these first.

  1. 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"

  2. 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

  3. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Domain Expires Soon

      Domain expires in 22 days

      What to do: Renew domain registration before expiration

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

Keep watching gl-assessment.co.uk

This scan found 26 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
40
Email security
75
DNS health
50
Network security
100
GDPR outside view
88
Average
63

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

GL Assessment holds a strong position in the education sector as a provider of assessment technologies aimed at enhancing learning outcomes. Their business model revolves around delivering assessment tools and services to schools and educators. The company benefits from being part of Renaissance Learning, which likely provides strategic and operational support. The website's integration with marketing platforms and social media channels indicates active engagement with their audience and a focus on lead generation. However, the lack of explicit contact information and privacy policies on the site suggests areas for improvement in customer engagement and regulatory compliance. The company appears to maintain a professional online presence with consistent branding and quality content, supporting its market credibility.

Security posture

The website demonstrates a moderate security maturity level. HTTPS is used as indicated by canonical URLs, but no explicit security headers such as Content Security Policy, HSTS, or X-Frame-Options were detected in the provided data. The site includes multiple third-party scripts for marketing and analytics, which can introduce risk if not properly managed. No exposed sensitive data or obvious vulnerabilities were found in the HTML content. However, the absence of privacy and cookie policies, as well as incident response information, indicates gaps in compliance and security transparency. The lack of WHOIS data further complicates trust assessment. To improve security posture, the company should implement comprehensive security headers, provide clear privacy and cookie policies with consent mechanisms, and publish incident response contacts.

Recommendations

  1. Implement and enforce security headers such as CSP, HSTS, and X-Frame-Options to enhance protection against common web attacks.
  2. Publish comprehensive privacy and cookie policies with explicit GDPR compliance statements and user consent mechanisms.
  3. Provide clear and accessible contact information including security incident response and data protection officer contacts.
  4. Regularly audit and update third-party scripts to minimize vulnerabilities and ensure compliance with privacy regulations.
  5. Enhance website accessibility features to improve user experience for all visitors and comply with accessibility standards.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
GL Assessment
Description
We believe the right technology can unlock a more effective learning experience, where every student grows to their full potential, and teachers are
Key services
Educational assessments, Student outcome improvement, Assessment technology solutions
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, YouTube iframe API, Marketo Forms, Ketch SDK, FontAwesome, Yoast SEO, WordPress
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied by canonical URL
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Tracking pixels
Lead Forensics
Marketing tools
Marketo, Ketch
Transparency
basic

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 explicit privacy, cookie, or terms of service policies found in provided HTML.
  3. No contact emails or phone numbers explicitly found in the HTML content.
  4. Multiple third-party marketing and tracking scripts are present.
  5. WHOIS data is unavailable due to domain registration rules; this limits domain trust verification.
  6. Website uses WordPress CMS with Yoast SEO plugin for SEO optimization.
  7. Social media presence includes Facebook, Twitter, and LinkedIn links.
  8. No security headers detected in the provided data; SSL usage implied but not confirmed.
  9. No forms or form fields explicitly found in the provided HTML snippet.
  10. No explicit security or incident response policies found.
Technical notes

Notes

The website is built on WordPress CMS, leveraging popular plugins like Yoast SEO for search engine optimization. It integrates multiple third-party marketing and analytics tools including Google Tag Manager, Marketo, Ketch SDK, and Lead Forensics tracking pixels. The site uses modern web fonts via Adobe Typekit and FontAwesome icons. Performance appears moderate with asynchronous loading of scripts to optimize page load times. Mobile optimization is good, supported by responsive design elements. However, no explicit hosting provider information was found. The technical stack is modern but could benefit from improved security configurations and enhanced privacy compliance features to reduce technical debt and regulatory risk.
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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