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Security report for tcu.sk

Education · Slovakia

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

65/100

Risk levelMedium

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

The website tcu.sk represents a Slovak non-profit educational initiative organizing the 'Týždeň celoživotného učenia' (Lifelong Learning Week), an event aimed at promoting lifelong learning across Slovakia. It targets a broad audience including individuals of all ages and educational institutions, providing lectures, workshops, and discussions to foster educational engagement. The event has a long-standing tradition with 25 years of history, positioning it as a recognized educational awareness platform in Slovakia. Technically, the website is built on a modern stack likely involving Ruby on Rails with Turbolinks, and integrates Google Analytics and Tag Manager for tracking. Hosting is provided by a Slovak hosting provider (websupport.sk), and the site uses HTTPS with DNSSEC enabled, indicating a secure baseline. The site is mobile optimized with good navigation and content quality, although some accessibility and SEO improvements could be made. From a security perspective, the site implements HTTPS and CSRF protections but lacks several recommended HTTP security headers. No vulnerabilities or exposed sensitive data were detected. Privacy compliance is partial; while a cookie consent banner is present, no privacy policy or terms of service were found, which is a notable compliance gap. Contact information is clearly provided, enhancing business credibility. Overall, the website is legitimate, secure, and professionally presented, with minor areas for improvement in privacy disclosures and security hardening. The domain registration data aligns well with the website's purpose and geographic focus, supporting trustworthiness.

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

7 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, YouTube, Google APIs

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

  2. 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 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';…

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

Keep watching tcu.sk

This scan found 23 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

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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
62
Security headers
70
Email security
85
DNS health
45
Network security
100
GDPR outside view
25
Average
65

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 website operates as a non-profit educational event organizer in Slovakia, focusing on lifelong learning awareness. Its market position is strong within the Slovak educational sector due to its 25-year history. The business model revolves around event organization and community engagement rather than commercial sales. Key services include organizing lectures, workshops, and providing a platform for educational institutions to present their activities. The target customers are broad, including individuals interested in education and institutions seeking to promote educational initiatives. Partnerships, such as with aivd.sk, strengthen its ecosystem. Growth indicators include sustained event recurrence and digital presence. Revenue streams are likely grant or sponsorship-based, typical for non-profits. The website content and structure support its mission effectively.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced, DNSSEC enabled, and CSRF tokens implemented. However, it lacks several important HTTP security headers such as Content-Security-Policy and X-Frame-Options, which could mitigate risks like clickjacking and cross-site scripting. No vulnerabilities or exposed sensitive data were found in the content. Privacy compliance is incomplete due to missing privacy and terms policies. Incident response and vulnerability disclosure mechanisms are absent. Overall, the security posture is adequate for a non-commercial informational site but could be improved to align with best practices and regulatory requirements.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service to improve GDPR compliance and user trust.
  2. Implement HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  4. Enhance accessibility features to improve inclusivity and SEO.
  5. Regularly review and update third-party scripts and tracking tools to minimize privacy risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
The website promotes and organizes the 'Týždeň celoživotného učenia' (Lifelong Learning Week), an event in Slovakia aimed at raising awareness about the importance of lifelong learning through lectures, workshops, and discussions. It targets all age groups and educational institutions to motivate active participation in education and to foster open discussion about education in Slovakia.
Key services
Event organization, Educational workshops and lectures, Networking platform for educational institutions and organizations
Content quality
good
Branding
consistent

Technology

Stack
Google Analytics, Google Tag Manager, Google Fonts, Turbolinks
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • CSRF tokens present in meta tags
  • DNSSEC enabled

Analytics and tracking

Services
Google Analytics, 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
moderate

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. No explicit privacy policy or terms of service found, which is a compliance gap.
  3. Cookie consent banner is present and functional.
  4. Contact information is clearly provided with email and phone.
  5. Website uses modern tracking and analytics tools but lacks detailed privacy disclosures.
  6. Content is focused on education and public awareness, safe for general audiences.
  7. Technical stack suggests Ruby on Rails backend with Turbolinks frontend.
  8. Security best practices partially implemented; missing some HTTP security headers.
  9. WHOIS data supports domain legitimacy and consistency with website content.
Technical notes

Notes

The website uses a modern technology stack with Ruby on Rails backend (inferred from Turbolinks usage) and integrates Google Fonts and Google Analytics for user experience and tracking. Hosting is provided by a Slovak provider with DNSSEC enabled, enhancing DNS security. The site is mobile responsive and loads with moderate performance. Meta tags and SEO basics are present but could be improved. No CMS was explicitly detected. The site uses asynchronous loading for analytics scripts, improving performance. There is no evidence of technical debt or legacy technologies. Opportunities exist to improve accessibility and implement additional security headers to reduce risk.
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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