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Security report for explorhino.de

explorhino · Education · Germany

Partial score · DNS & email only

57/100

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

explorhino is a German educational science center focused on interactive learning experiences for children, families, and schools. It offers hands-on exhibits, workshops, courses, and events designed to engage young learners in science and technology. The website reflects a well-structured and professionally designed platform that supports its educational mission with clear navigation and relevant content. Technically, the site is built on WordPress with modern plugins for SEO, event management, and GDPR compliance, ensuring a good digital maturity level. Security posture is solid with HTTPS enforced and cookie consent mechanisms in place, though there is room for improvement in security headers and incident response transparency. Overall, the site is trustworthy, compliant with privacy regulations, and provides clear contact information and social media presence.

Scanned

NIS2 and GDPR posture

GDPR outside view
55/ 100 · Medium
Checks completed
6of 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. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  2. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • High

      High-Risk Service Exposed: FTP

      Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

      What to do: Consider restricting access to FTP or implementing strong authentication

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

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

Keep watching explorhino.de

This scan found 17 issues across 5 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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  • 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
85
Email security
60
DNS health
65
Network security
20
GDPR outside view
55
Average
57

Not counted

  • Security headers: 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 business operates as a small, regional educational institution in Germany, targeting children, families, and educators. Its business model revolves around public visits, educational courses, and event hosting, supported by partnerships with local organizations such as Hochschule Aalen and KECO Stiftung. The website content and structure indicate a focus on community engagement and educational outreach rather than commercial sales. The presence of detailed event calendars and course offerings suggests active programming and growth potential. The organization maintains a consistent brand and leverages social media channels to extend its reach.

Security posture

The website demonstrates a good security baseline with HTTPS and GDPR-compliant cookie consent. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of explicit security headers and incident response information indicates areas for enhancement. The site uses updated WordPress plugins and avoids known vulnerable libraries. There is no visible security.txt or vulnerability disclosure policy, which could improve transparency and trust. Overall, the security posture is adequate for the business type but could benefit from formalized policies and technical hardening.

Recommendations

  1. Implement HTTP security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a security policy or incident response page to inform users about how security incidents are handled and provide contact channels for reporting issues.
  3. Add a security.txt file to facilitate responsible vulnerability disclosure and improve transparency.
  4. Regularly audit and update all plugins and themes to mitigate risks from outdated components.
  5. Enhance accessibility features to improve usability for all users, including those with disabilities.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
explorhino
Description
explorhino is a special educational institution encouraging hands-on exploration and experimentation, offering exhibits, workshops, courses, and events primarily for children, school classes, and families.
Key services
interactive science exhibits, workshops and courses for school classes and kindergartens, event hosting, makerspace activities, children's birthday parties
Content quality
good
Branding
consistent

Technology

Stack
WordPress 6.7.4, Yoast SEO plugin, Contact Form 7, SV Events Lite plugin, ShapePress DSGVO plugin, jQuery 3.7.1, WP Rocket LazyLoad
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with settings
  • No exposed sensitive data in HTML
  • Use of updated plugins

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Marketing tools
Yoast SEO
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 no blocking or WAF challenges.
  2. Content is primarily in German and targets families, children, and educators.
  3. Strong compliance with GDPR and cookie consent requirements.
  4. Uses WordPress CMS with common plugins for SEO, events, and GDPR compliance.
  5. Contact information is clearly provided with phone, email, and physical address.
  6. Social media presence on Facebook, YouTube, and Instagram.
  7. No visible security policy or incident response information on the site.
  8. No terms of service page detected.
  9. No advertising or tracking networks detected beyond SEO and cookie consent tools.
Technical notes

Notes

The website is powered by WordPress 6.7.4 with a set of well-known plugins including Yoast SEO for search optimization, Contact Form 7 for form handling, SV Events Lite for event management, and ShapePress DSGVO for GDPR compliance. The site uses jQuery 3.7.1 and WP Rocket LazyLoad for performance optimization. The design is responsive and mobile-friendly with good SEO metadata including Open Graph and JSON-LD structured data. Hosting details are not explicitly disclosed, but the domain uses multiple authoritative name servers indicating stable DNS configuration. Performance is moderate with lazy loading implemented. There is no evidence of advanced frameworks or custom backend technologies beyond WordPress and its plugins.
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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