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Security report for skm.dk

Skatteministeriet · Government · Denmark

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

82/100

Risk levelLow

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

Skatteministeriet (Danish Ministry of Taxation) operates the website skm.dk as an official government portal providing tax-related information and services to Danish citizens and businesses. The site is well-branded, consistent with government standards, and targets a broad audience requiring tax administration support. The domain is longstanding, established in 1998, reinforcing its legitimacy and authority in the sector. Technically, the website leverages modern frameworks such as Next.js and React, and integrates advanced monitoring and analytics tools including Dynatrace, New Relic, and Adobe Experience Cloud, indicating a mature digital infrastructure. The cookie consent mechanism is comprehensive and GDPR compliant, reflecting strong privacy awareness. Security posture is robust with HTTPS enforced and multiple security monitoring services in place, although explicit security policies and incident response contacts are not publicly visible. Overall, the website demonstrates a high level of professionalism, trustworthiness, and compliance with relevant regulations.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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

3 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"

  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

      SSL Certificate Expires Soon

      SSL certificate expires in 26 days

      What to do: Renew SSL certificate before expiration

      • NIS2 21(2)(h)
      • IR 2024/2690 9.2(c): Implementing Regulation (EU) 2024/2690, Annex point 9.2(c): Cryptography
      • NIST SC-17: NIST SP 800-53 Rev. 5 SC-17: Public Key Infrastructure Certificates

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

Keep watching skm.dk

This scan found 15 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
67
Security headers
75
Email security
98
DNS health
70
Network security
100
GDPR outside view
83
Average
82

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 Ministry holds a key position as a government entity responsible for taxation in Denmark, serving a large and diverse user base. Its business model is non-commercial, focused on public service delivery. The website supports critical tax services and online interactions, integrating with authentication platforms like MitID. The presence of multiple partner domains such as skat.dk and nemlog-in.mitid.dk highlights a strong ecosystem collaboration. The use of advanced analytics and monitoring tools suggests ongoing efforts to optimize user experience and security. No commercial advertising or affiliate programs are detected, consistent with its government role. The site’s content and structure support clear navigation and user engagement, reinforcing its authoritative market position.

Security posture

The website exhibits a mature security posture with enforced HTTPS, use of security monitoring tools (Dynatrace, New Relic, AppDynamics), and a detailed cookie consent mechanism. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms (e.g., security.txt) are absent or not publicly linked, representing areas for improvement. DNSSEC is not enabled, which could enhance DNS security. No vulnerabilities or exposed sensitive data were detected in the analysis. The site’s security headers are implied but not explicitly documented in the HTML content. Overall, the security measures align well with government standards but could benefit from enhanced transparency and DNS security enhancements.

Recommendations

  1. Enable DNSSEC to improve domain name system security and prevent DNS spoofing.
  2. Publish a clear security policy and incident response contact information on the website.
  3. Implement and publish a security.txt file to facilitate responsible vulnerability disclosure.
  4. Explicitly set and document security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Maintain and regularly review third-party analytics and monitoring tools to ensure no privacy or security risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Skatteministeriet
Description
Danish Ministry of Taxation providing tax-related services and information to citizens and businesses.
Key services
Tax information, Tax administration, Online tax services
Content quality
good
Branding
consistent

Technology

Stack
Next.js, React, CookieInformation consent management, Dynatrace, New Relic, Adobe Experience Cloud, Microsoft Azure, BIG-IP F5, Cisco AppDynamics
Frameworks
Next.js
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with detailed cookie info
  • Use of security monitoring tools (Dynatrace, New Relic, AppDynamics)

Analytics and tracking

Services
Dynatrace, New Relic, Adobe Experience Cloud, AppDynamics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Dynatrace, New Relic, Adobe Experience Cloud, AppDynamics
Transparency
good

Site quality

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

Key observations

  1. Website is an official Danish government ministry site
  2. Comprehensive cookie consent mechanism implemented
  3. No contact emails or phone numbers explicitly found on main page
  4. No visible terms of service page detected
  5. Use of multiple advanced monitoring and analytics tools
  6. No WAF or blocking mechanisms detected
  7. Good compliance with GDPR indicated by cookie banner and privacy policy
  8. No suspicious or malicious content detected
Technical notes

Notes

The website is built on a modern React-based framework (Next.js) with server-side rendering capabilities, enhancing performance and SEO. It uses multiple CSS stylesheets and deferred JavaScript loading to optimize page load times. The cookie consent banner is custom-styled and integrates with CookieInformation’s service, providing granular user consent options. Analytics and monitoring are implemented via Dynatrace, New Relic, Adobe Experience Cloud, Microsoft Azure, and Cisco AppDynamics, indicating a sophisticated infrastructure for performance and security monitoring. Mobile optimization and accessibility features are well addressed, with responsive design and focus ring styles for keyboard navigation. No major technical debt or deprecated technologies were detected. The site does not appear to use a common CMS, suggesting a custom or proprietary solution tailored for government needs.
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

Earlier scans of this domain

  1. 75/100Medium13 findings · partial scanView report
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