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Security report for klimaatplein.com

Klimaatplein · Energy · Netherlands

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

72/100

Risk levelMedium

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

Klimaatplein is a well-established Dutch platform founded in 2009 that focuses on promoting energy-conscious and CO2-neutral business practices. It offers practical tips, tools such as CO2 calculators, and inspiring case studies to help businesses reduce energy and fuel costs while contributing to climate change mitigation. The website targets businesses and entrepreneurs interested in sustainability and operates primarily in the energy sector within the Netherlands. Technically, the site is built on WordPress with modern SEO and analytics integrations, including Yoast SEO and Google Tag Manager. The site is mobile-optimized and demonstrates good accessibility and performance. Security-wise, the site uses HTTPS with DNSSEC enabled and implements cookie consent mechanisms compliant with GDPR. However, it lacks visible HTTP security headers and a public security policy or incident response information. Overall, the site is professional, trustworthy, and compliant with privacy regulations, with room for improvement in security transparency and policy disclosures.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 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

4 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 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';…

  2. GDPR outside view

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

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  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 klimaatplein.com

This scan found 22 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

€25per month

  • 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
85
DNS health
65
Network security
100
GDPR outside view
80
Average
72

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

Klimaatplein occupies a niche as an information and advisory platform supporting sustainable entrepreneurship in the Netherlands. Its competitive advantage lies in its comprehensive content, practical tools, and a strong partner ecosystem including financial and energy sector collaborators. The business model revolves around providing free resources and fostering partnerships to promote climate-conscious business practices. The platform's growth is indicated by its long domain age and active content updates. Its target customers are SMEs and larger businesses seeking to improve sustainability. The partnership network includes recognized entities such as Rabobank and Eneco, enhancing credibility and reach.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and DNSSEC enabled, ensuring secure domain resolution and encrypted communications. The presence of a GDPR-compliant cookie consent mechanism indicates attention to privacy compliance. However, the absence of HTTP security headers like Content Security Policy, HSTS, and X-Frame-Options reduces protection against common web attacks. No public security policy or incident response contacts are provided, which could hinder effective vulnerability reporting and incident management. No vulnerabilities or exposed sensitive data were detected in the HTML content. Overall, the security posture is good but could be strengthened by implementing additional headers and publishing security policies.

Recommendations

  1. Implement HTTP security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), X-Frame-Options, and X-XSS-Protection to enhance protection against web attacks.
  2. Publish a clear security policy and incident response contact information on the website to facilitate vulnerability reporting and improve transparency.
  3. Add a security.txt file at the root of the domain to provide standardized vulnerability disclosure information.
  4. Regularly audit and update third-party scripts and plugins to mitigate risks from vulnerable libraries.
  5. Enhance monitoring and logging to detect and respond to security incidents promptly.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Klimaatplein
Description
Klimaatplein provides practical tips, smart tools, and inspiring case studies to help companies save energy and fuel costs, work towards CO2-neutral and climate-conscious business practices, and contribute to climate change mitigation in a way that fits their business.
Key services
Energy saving tips, CO2 footprint calculators, Sustainability tools, Practical case studies, Partner network
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Tag Manager, Google Analytics (gtag.js), Complianz GDPR Cookie Consent, Typekit Fonts
Frameworks
WordPress
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • DNSSEC enabled
  • Cookie consent with opt-in mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Complianz GDPR Cookie Consent
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented and well-structured.
  3. Strong focus on sustainability and energy-conscious business practices.
  4. Comprehensive cookie consent and privacy compliance mechanisms in place.
  5. Use of modern web technologies and SEO best practices.
  6. No visible security policy or incident response information publicly available.
  7. Contact information is clearly provided with email and phone.
  8. No terms of service page detected.
  9. No vulnerability disclosure or security.txt found.
Technical notes

Notes

The website is built on WordPress CMS version 6.8.3, using Yoast SEO plugin for search engine optimization and Complianz GDPR plugin for cookie consent management. It integrates Google Tag Manager and Google Analytics for tracking and analytics. Fonts are loaded via Adobe Typekit. The site uses modern HTML5 and CSS3 standards with responsive design for mobile optimization. Performance is moderate with deferred JavaScript loading and preconnect hints for external resources. The site uses DNSSEC and HTTPS with valid SSL certificates, indicating a secure hosting environment. No hosting provider details were explicitly found. The site structure is well-organized with clear navigation menus and semantic markup, supporting accessibility and SEO. Opportunities exist to improve security headers and incident response disclosures.
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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