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Security report for poukz.hr

Pučko otvoreno učilište Katarina Zrinska – Ozalj · Education · Croatia

Medium risk. 8 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

59/100

Risk levelMedium

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

Pučko otvoreno učilište Katarina Zrinska – Ozalj is a small educational institution based in Croatia, founded in 2022. The organization offers a variety of educational and creative programs targeting children, youth, retirees, and adults, focusing on lifelong learning and community engagement. The website reflects a local community-oriented business model with clear contact information and social media presence, positioning itself as a trusted local educational provider. Technically, the website employs modern front-end technologies including Bootstrap, jQuery, and various JavaScript libraries to provide a responsive and visually appealing user experience. While the site is mobile-optimized and well-structured, there is room for improvement in accessibility and SEO optimization. Hosting and domain registration are consistent with the business location, enhancing trustworthiness. From a security perspective, the website implements a cookie consent mechanism compliant with GDPR, but lacks visible advanced security headers and incident response information. No critical vulnerabilities or exposed sensitive data were detected in the provided content. The absence of terms of service and security policies suggests an opportunity to strengthen compliance and user trust. Overall, the website is functional, professional, and safe for general audiences. The risk level is low, but strategic improvements in security posture and privacy transparency would enhance the institution's digital maturity and trustworthiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 100 · High
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

8 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

  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

  3. 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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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';…

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Keep watching poukz.hr

This scan found 26 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.

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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
62
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
40
Average
59

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 institution operates in the education sector, serving a local Croatian community with a focus on lifelong learning and cultural enrichment. Its competitive advantage lies in offering diverse programs tailored to different age groups and interests, including workshops and hobby courses. The business model appears non-profit or publicly funded, emphasizing community service rather than commercial revenue. Growth indicators include active social media engagement and regular news updates. Partnerships with local experts and a web development company (inventor.com.hr) support operational effectiveness. The institution's market position is stable within its niche, with potential for expansion through enhanced digital presence and program diversification.

Security posture

The current security maturity level is basic. The website uses HTTPS (assumed but not explicitly confirmed), and implements a cookie consent banner indicating GDPR awareness. However, the lack of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces protection against common web attacks. No incident response or vulnerability disclosure policies are present, limiting preparedness for security incidents. The use of third-party libraries necessitates regular vulnerability assessments. Overall, the security posture is adequate for a small educational site but requires enhancements to meet higher compliance and security standards.

Recommendations

  1. Implement comprehensive HTTP security headers including CSP, HSTS, and X-Frame-Options to mitigate common web vulnerabilities.
  2. Publish clear terms of service and incident response policies to improve transparency and user trust.
  3. Conduct regular security audits and update third-party libraries to reduce vulnerability risks.
  4. Enhance accessibility features to comply with WCAG standards and improve user experience for all visitors.
  5. Develop a data protection officer contact and formalize GDPR compliance documentation.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Pučko otvoreno učilište Katarina Zrinska – Ozalj
Description
Pučko otvoreno učilište Katarina Zrinska – Ozalj is an educational institution offering various programs including workshops, non-verified programs, courses for retirees, and programs for children and youth. They focus on lifelong learning and community engagement.
Key services
Workshops, Non-verified educational programs, Programs for retirees, Programs for children and youth, Art and hobby courses
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Bootstrap, Font Awesome, jQuery, Isotope, Slick, TweenMax, WOW.js, html5lightbox
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
50/100
Good practices seen
  • Cookie consent banner implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

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. Clear cookie consent mechanism in Croatian language compliant with EU regulations.
  3. Contact information is prominently displayed and consistent across header and footer.
  4. No privacy or security policies beyond cookie and privacy policy detected.
  5. No terms of service or incident response information found.
  6. No visible analytics or tracking services detected.
  7. Website uses modern front-end libraries and frameworks but no CMS detected.
  8. No security headers or advanced security configurations visible in provided data.
  9. Content is focused on education and community programs with no adult or questionable content.
  10. Social media presence on Facebook and Instagram is linked.
Technical notes

Notes

The website is built using a modern front-end stack with Bootstrap for responsive design, Font Awesome for icons, and several JavaScript libraries for animations and UI enhancements. The site loads external scripts from trusted CDNs such as Cloudflare and YouTube. No CMS is detected, indicating a custom or static site approach. Performance is moderate with room for optimization, especially in loading times and SEO metadata completeness. Mobile optimization is good, but accessibility is basic and could be improved. Hosting appears local and domain registration is consistent with the business location, supporting reliability. Overall, the technical implementation is solid for a small educational institution but could benefit from modernization and enhanced security configurations.
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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