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Security report for kwf.nl

KWF Kankerbestrijding · Healthcare · Netherlands

Low risk. 2 critical or high findings in Security headers and SSL/TLS.

Security score

78/100

Risk levelLow

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

KWF Kankerbestrijding is a prominent Dutch non-profit organization dedicated to combating cancer through research funding, patient support, and public awareness. The website reflects a mature digital presence with a professional design, clear navigation, and comprehensive content tailored to a broad audience including patients, donors, and volunteers. The organization maintains a strong market position as a leading cancer charity in the Netherlands. Technically, the website is built on Drupal CMS with modern libraries such as jQuery and integrates advanced marketing and analytics tools including Google Tag Manager, Visual Website Optimizer, and Tealium. The site is mobile optimized and accessible, with good SEO practices and performance rated as moderate. From a security perspective, the site enforces HTTPS, implements robust security headers, and uses a cookie consent mechanism compliant with GDPR. No critical vulnerabilities or exposed sensitive data were detected. However, the site lacks a publicly available security policy or incident response contact information, which could enhance trust and preparedness. Overall, the website demonstrates a high level of professionalism, security, and privacy compliance, supporting the organization's credibility and trustworthiness. Strategic improvements in transparency around security policies and incident response would further strengthen its posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
95/ 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

2 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 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';…

  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 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

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

Keep watching kwf.nl

This scan found 19 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
72
Security headers
55
Email security
75
DNS health
70
Network security
100
GDPR outside view
95
Average
78

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

KWF Kankerbestrijding operates in the healthcare and non-profit sectors, focusing on cancer research and patient support. Its business model relies on fundraising and public engagement. The organization targets a wide audience affected by cancer and potential donors. The website's content and structured data confirm its leadership role in the Dutch cancer charity market. The integration of multiple marketing and analytics platforms indicates a data-driven approach to outreach and fundraising. No parent or subsidiary companies were identified, suggesting an independent operational structure. The organization's branding is consistent and trust signals such as privacy policies and cookie consent are well implemented.

Security posture

The website exhibits a mature security posture with HTTPS enforced and multiple security headers present, including Content-Security-Policy and Strict-Transport-Security. The cookie consent mechanism provides granular control, supporting GDPR compliance. No exposed credentials or vulnerable libraries were found in the analyzed content. However, the absence of a dedicated security policy page and incident response contact details represents a compliance gap. The use of third-party scripts is extensive but appears managed with consent. Overall, the security maturity is good, with recommendations to publish formal security and incident response documentation to enhance transparency and readiness.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  3. Implement and publish a vulnerability disclosure policy or security.txt file.
  4. Enhance visibility of official contact information for user support and inquiries.
  5. Regularly review and audit third-party scripts and libraries for security updates and compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
KWF Kankerbestrijding
Description
KWF Kankerbestrijding is a Dutch non-profit organization dedicated to fighting cancer and supporting millions of lives affected by it.
Key services
Cancer research funding, Patient support, Public awareness campaigns, Fundraising activities
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery, Drupal 10.4.7, Cookiebot, Google Tag Manager, Visual Website Optimizer, Tealium
Frameworks
Drupal CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML
  • Use of modern libraries and frameworks

Analytics and tracking

Services
Google Tag Manager, Visual Website Optimizer, Tealium
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Tealium
Tracking pixels
Visual Website Optimizer, Tealium
Marketing tools
Visual Website Optimizer, Tealium
Transparency
good

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 maintained.
  2. Strong compliance with GDPR and cookie consent requirements.
  3. Use of multiple analytics and marketing tools with user consent.
  4. No visible security vulnerabilities or suspicious content.
  5. WHOIS data supports legitimacy of the organization and domain.
Technical notes

Notes

The website is built on Drupal 10.4.7, leveraging jQuery and several third-party marketing and analytics tools including Cookiebot, Google Tag Manager, Visual Website Optimizer, and Tealium. The site uses modern CSS and JavaScript assets, with responsive design and accessibility features. Performance is moderate, likely influenced by multiple external scripts. SEO is well addressed with comprehensive meta tags, Open Graph data, and JSON-LD structured data. Hosting details are not explicit but the site uses HTTPS with strong SSL configuration. Technical risks include dependency on multiple third-party services which require ongoing monitoring for security and privacy compliance.
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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