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Security report for scholenmetsucces.nl

Scholen met Succes · Education · Netherlands

Medium risk. 5 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

64/100

Risk levelMedium

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

Scholen met Succes is a specialized Dutch educational research bureau established in 1999, providing schools and educational boards with insights into their market position through research, workshops, and training. The company operates under the parent organization Onderwijs Innovatie Groep (OIG) and targets primarily primary education institutions in the Netherlands. Their services include quality assessments, satisfaction surveys, image research, and tailored feedback mechanisms. Technically, the website is built on modern frameworks such as Next.js and React, leveraging Contentful CMS for content management, and integrates Google Tag Manager for analytics. The site is well-optimized for performance, mobile responsiveness, and accessibility. Security posture is strong with HTTPS, security headers, and no visible vulnerabilities, although explicit security policies and incident response information are not published. Privacy compliance is robust with clear privacy and cookie policies and GDPR adherence. Overall, the website and business present a professional, trustworthy, and mature digital presence.

Scanned

NIS2 and GDPR posture

GDPR outside view
43/ 100 · High
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. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  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 X-Frame-Options header

      Prevents clickjacking attacks

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

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  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

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

Keep watching scholenmetsucces.nl

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
72
Security headers
30
Email security
75
DNS health
65
Network security
100
GDPR outside view
43
Average
64

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 holds a strong market position as an established provider of educational research services with a focus on actionable insights and minimal administrative burden for clients. Their business model revolves around delivering validated questionnaires and data visualization platforms, supported by professional guidance throughout the research process. The target customers are educational institutions seeking to improve quality and satisfaction metrics. The company maintains partnerships with related platforms and services, enhancing their ecosystem. Growth indicators include a long operational history and integration with recognized educational frameworks. The website content and structure reflect a clear, consistent branding and a focus on trust and professionalism.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, presence of key security headers, and no exposed sensitive data. The use of modern frameworks and deferred script loading reduces attack surface. However, the absence of a published security policy or incident response contact limits transparency. No vulnerability disclosure or security.txt file is found, which could be improved to enhance security culture and incident handling readiness. Privacy compliance is well addressed with GDPR-aligned policies and cookie consent mechanisms. Overall, the security maturity is good but could benefit from explicit security governance disclosures.

Recommendations

  1. Publish a dedicated security policy page including incident response procedures and contact channels.
  2. Implement and publish a security.txt file to facilitate responsible vulnerability disclosure.
  3. Include Data Protection Officer contact information if applicable to enhance GDPR transparency.
  4. Regularly review and update third-party scripts and dependencies to mitigate potential vulnerabilities.
  5. Enhance user trust by adding visible trust seals or certifications related to data protection and quality.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Scholen met Succes
Description
Sinds 1999 helpt Scholen met Succes (SMS) scholen en besturen met het verkrijgen van inzicht in hun huidige marktsituatie en werken we samen aan het creëren van een sterke markpositie. Dit doen we door het uitvoeren van onderzoek en het verzorgen van workshops en trainingen om de resultaten van deze onderzoeken te interpreteren en om te zetten naar beleid en actie.
Key services
Onderwijskwaliteit PO (Education quality research), Tevredenheid PO (Satisfaction surveys), Imago-onderzoek PO en VO (Image research), Workshops and training for policy and action, Data collection and visualization platform
Content quality
excellent
Branding
consistent

Technology

Stack
Next.js, React, Contentful CMS, Google Tag Manager, Google Fonts
Frameworks
Next.js, React
Platforms
Contentful
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • No exposed sensitive data in HTML
  • Use of modern frameworks with deferred scripts

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

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. Clear and comprehensive privacy and cookie policies are present.
  3. Multiple contact methods including email, phone, physical address, and contact form.
  4. Use of modern web technologies and CMS (Next.js, React, Contentful).
  5. No signs of malicious or suspicious content or domains.
  6. Good SEO and accessibility practices observed.
  7. No explicit security or incident response policies published on site.
  8. Active use of Google Tag Manager for analytics and tracking.
Technical notes

Notes

The website is built on a modern, scalable tech stack including Next.js and React, with Contentful CMS for content management. It uses Google Tag Manager for analytics and tracking. The site is optimized for fast loading and mobile responsiveness, with good SEO and accessibility practices. The use of deferred and async script loading improves performance. No hosting provider is explicitly identified, but the infrastructure supports a professional digital presence. Technical risks are minimal, with no detected outdated or vulnerable libraries. Opportunities exist to further enhance security and compliance disclosures to align with best practices.
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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