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Security report for aarhustech.dk

Aarhus tech · Higher education · Denmark

Partial score · DNS & email only

75/100

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

Scanned

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

No critical or high findings. These medium findings are worth fixing next.

  1. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Medium

      DNSSEC Not Enabled

      DNSSEC is not configured for this domain

      What to do: Enable DNSSEC to prevent DNS spoofing attacks

      • CAPEC-142
      • RFC 4033
      • RFC 4035

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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

Email security
87
DNS health
85
Average
86
After the cap
75

Not counted

  • SSL/TLS: did not complete in this scan.
  • Security headers: did not complete in this scan.
  • Network security: did not complete in this scan.
  • GDPR outside view: 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

The institution holds a strong market position as a key vocational education provider in Aarhus, Denmark, with a comprehensive offering of programs and services. Its business model focuses on education and training, targeting youth and adult learners. The website supports this with detailed program information, guidance services, and clear contact channels. Partnerships with related educational domains and a strong social media presence enhance its ecosystem. The absence of detailed WHOIS data does not detract from its credibility given the professional presentation and official contact information. Growth indicators include active course offerings and engagement with multiple stakeholder groups.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and no exposed sensitive data. However, it lacks some advanced security headers and visible cookie consent mechanisms, which are important for GDPR compliance. There is no published incident response or vulnerability disclosure policy, which could be improved to enhance transparency and readiness. The use of Google Tag Manager indicates moderate user tracking, but privacy compliance could be strengthened with explicit consent mechanisms. Overall, the security risks are low but improvements in policy publication and cookie management are recommended.

Recommendations

  1. Implement a visible cookie consent banner to comply with GDPR requirements.
  2. Add security headers such as Content-Security-Policy and X-Content-Type-Options to enhance protection.
  3. Publish incident response and vulnerability disclosure policies to improve transparency and trust.
  4. Create and publish a terms of service page to clarify user agreements.
  5. Consider adding a security.txt file to facilitate responsible vulnerability reporting.

Contact details published on the site

Addresses
Registration number
39747510
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
AARHUS TECH
Description
På AARHUS TECH uddanner vi fagfolk. Vi udbyder mere end 25 erhvervsuddannelser, EUX'er og et bredt udvalg af AMU-kurser.
Key services
Erhvervsuddannelser (Vocational education), EUX (combined vocational and academic education), AMU-kurser (Adult vocational courses), 10. klasse (10th grade education), Guidance and counseling
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Umbraco CMS, Google Tag Manager
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content in Danish language
  2. No WHOIS data available, likely due to privacy protection
  3. No visible cookie consent banner despite GDPR relevance
  4. No terms of service or explicit security/incident response policies found
  5. Contact information is clearly presented with phone, email, and physical address
  6. Social media presence is strong on major platforms
  7. Uses Umbraco CMS and Google Tag Manager for analytics
  8. No suspicious or malicious content 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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aarhustech.dk security report (partial scan) | Guard