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Security report for nst.dk

Naturstyrelsen · Government administration · Denmark

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

66/100

Risk levelMedium

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

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 100 · Low
Checks completed
5of 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 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"

    • 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 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 nst.dk

This scan found 16 issues across 4 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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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
67
Security headers
15
Network security
100
GDPR outside view
83
Average
66

Not counted

  • Email security: did not complete in this scan.
  • DNS health: did not complete in this scan.
  • 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

Naturstyrelsen operates as a government entity focused on environmental management and public access to nature in Denmark. Its market positioning is that of a national authority with a mandate to conserve biodiversity and manage natural resources. The business model is service-oriented, providing information and resources to citizens and stakeholders. The website supports this mission by offering detailed guides, maps, and activity information related to nature areas. Partnerships with technology providers like Cookiebot, Siteimprove, and Matterport indicate a commitment to digital maturity and user experience. The absence of commercial activities aligns with its government status. Growth indicators include the adoption of modern web frameworks and comprehensive privacy compliance. The ecosystem includes GIS services and multimedia content providers, enhancing the site's functionality and engagement.

Security posture

The website demonstrates a solid security posture with HTTPS enforced and multiple security headers implemented, including HSTS, CSP, and X-Frame-Options. The use of Cookiebot ensures GDPR-compliant cookie management and user consent. No vulnerable libraries or exposed sensitive data were detected in the analysis. However, the absence of a published security policy, incident response plan, or vulnerability disclosure program represents a compliance gap and potential risk in transparency and readiness. No contact channels for security incidents were found, which could delay response to threats. Overall, the security maturity is good but could be improved by formalizing and publishing security governance documents and providing clear communication channels for security issues.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Implement and publicize an incident response plan with clear contact channels such as security@ or abuse@ emails.
  3. Add a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Include terms of service to clarify legal usage and responsibilities.
  5. Enhance contact information availability, including emails and phone numbers for general and security inquiries.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Naturstyrelsen
Description
Naturstyrelsen is a Danish government agency responsible for managing and protecting nature and natural resources. They focus on preserving biodiversity and providing access to natural areas for the public.
Key services
Nature conservation, Public access to natural areas, Environmental guidance and information
Content quality
good
Branding
consistent

Technology

Stack
Next.js, React, Cookiebot
Frameworks
Next.js
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent implemented
  • No exposed sensitive data detected

Analytics and tracking

Services
Siteimprove, Google
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google
Tracking pixels
Siteimprove
Marketing tools
Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Website is a Danish government agency site focused on nature management.
  2. Cookie consent is implemented via Cookiebot with detailed cookie categorization.
  3. No explicit privacy policy page found in the main HTML but cookie policy is linked and comprehensive.
  4. No terms of service or security policy pages detected.
  5. No direct contact emails or phone numbers found in the HTML content provided.
  6. Use of modern web technologies including Next.js and React.
  7. Good security posture with HTTPS and security headers.
  8. External domains mostly related to service providers and partners for analytics, video, and GIS services.
  9. Moderate user tracking with consent and transparency.
  10. No WAF or blocking mechanisms detected.
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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nst.dk security report: 66/100, medium risk | Guard