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Security report for planetko.cz

Planetárium Ostrava · Education · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view, Email security and 1 other check.

Security score

62/100

Risk levelMedium

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

Planetárium Ostrava is an educational and cultural institution affiliated with the Mining-Geological Faculty of the Technical University of Ostrava. It provides a wide range of astronomy and natural science educational programs, cultural events, and interactive exhibits targeting visitors of all ages, including schools and the general public. The website reflects a professional and consistent brand image with clear navigation and rich content focused on its mission. Technically, the website is built on the MySUITU CMS platform and leverages modern web technologies such as YouTube IFrame API, jQuery, Swiper.js, and Google Tag Manager. The site is hosted likely by Active24, with good mobile optimization and moderate performance. SEO and accessibility are adequately addressed, though accessibility could be improved. From a security perspective, the site uses HTTPS and implements a cookie consent mechanism, but lacks explicit security headers and published security policies. No vulnerabilities or exposed sensitive data were detected. The WHOIS data aligns well with the website's claims, indicating legitimacy and consistency. Overall, the website is trustworthy, professionally maintained, and compliant with basic privacy standards, though it would benefit from enhanced security policies and accessibility improvements.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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

6 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 Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, Twitter, YouTube, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

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

Keep watching planetko.cz

This scan found 18 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

Email alerts on material changes and an exportable JSON history of every change.

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Full report

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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
75
Security headers
80
Email security
75
DNS health
75
Network security
40
GDPR outside view
25
Average
62

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

Planetárium Ostrava occupies a niche in the education and cultural sector within the Czech Republic, focusing on astronomy and natural sciences. Its affiliation with a technical university provides credibility and access to academic resources. The business model centers on educational programming, public events, and cultural exhibitions, serving schools, families, and the general public. Partnerships with local organizations and cultural entities strengthen its ecosystem. The website's event booking integration and active social media presence indicate a customer-focused approach and engagement strategy. Growth potential lies in expanding educational offerings and leveraging digital channels for outreach.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and a cookie consent mechanism in place. However, the absence of explicit security headers such as Content-Security-Policy and Strict-Transport-Security reduces its defense-in-depth posture. No incident response or vulnerability disclosure information is published, which could hinder timely security issue reporting. The use of third-party scripts like Google Analytics and YouTube embeds introduces potential risk vectors that require regular monitoring. Overall, the site is secure for general use but would benefit from formalized security policies and enhanced technical controls.

Recommendations

  1. Implement and publish a comprehensive privacy policy and terms of service to improve compliance and user trust.
  2. Add security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection against common web attacks.
  3. Establish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Improve accessibility features to meet WCAG standards and ensure inclusivity for all users.
  5. Regularly audit and update third-party scripts and dependencies to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Planetárium Ostrava
Description
Planetárium Ostrava is part of the Mining-Geological Faculty of the Technical University of Ostrava. It offers entertainment and education for visitors of all ages in popularizing astronomy and natural sciences.
Key services
Educational programs for schools, Spherical cinema shows, Astronomical observations, Lectures, Interactive exhibits, Music and cultural events, Venue for corporate and social events
Content quality
excellent
Branding
consistent

Technology

Stack
YouTube IFrame API, jQuery 3.4.1, Swiper.js, Fancybox, Google Fonts, Google Tag Manager, Cookie Consent by SUITU
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced (implied by canonical and external links)
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Google Analytics (via gtag.js)
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and no blocking detected.
  2. No explicit privacy policy or terms of service pages found.
  3. Cookie consent mechanism is implemented and functional.
  4. Contact information is clearly presented in the footer.
  5. The site uses modern web technologies and a CMS platform.
  6. Security headers are not explicitly visible in the HTML content.
  7. No vulnerability disclosure or security.txt found.
  8. Business is an educational and cultural institution affiliated with a university.
  9. Social media presence is active with official accounts linked.
  10. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on the MySUITU CMS platform, utilizing modern JavaScript libraries such as jQuery and Swiper.js for interactive elements. It integrates YouTube IFrame API for video backgrounds and Google Tag Manager for analytics and marketing. The site loads multiple CSS resources from a CDN, indicating a distributed content delivery approach. Performance is moderate with room for optimization, especially in image sizes and script loading. Mobile responsiveness is good, but accessibility features are basic. The technical stack is modern and maintainable but could benefit from enhanced security configurations and performance tuning.
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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