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Security report for slunickotlucna.cz

YMCA PLZEŇ · Non-profit · Czech Republic

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

64/100

Risk levelMedium

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

Sluníčko Tlučná is a local branch of YMCA Plzeň, a well-known Christian non-profit organization focused on community engagement, education, and recreational activities for children, youth, and families. The website presents a clear overview of their offerings including language courses, camps, creative workshops, and religious meetings. The organization targets local community members and families seeking educational and social activities in Tlučná, Czech Republic. Technically, the website is built on the Webnode CMS platform, leveraging Amazon Cloudfront CDN for content delivery. It uses modern web standards including HTTPS, responsive design, and includes a cookie consent mechanism. However, some security best practices such as security headers are missing, and the site lacks a dedicated privacy policy page, which is important for GDPR compliance. From a security perspective, the site is accessible without WAF or blocking challenges and uses HTTPS properly. The absence of WHOIS data for the domain is a concern for domain legitimacy and trust, although the website content and contact information appear consistent with a legitimate non-profit entity. No critical vulnerabilities or exposed sensitive data were detected. Overall, the website is functional, informative, and serves its community purpose well but would benefit from improved security headers, a published privacy policy, and verification of domain registration to enhance trust and compliance.

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 Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  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 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 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 slunickotlucna.cz

This scan found 24 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

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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
72
Security headers
35
Email security
70
DNS health
80
Network security
100
GDPR outside view
25
Average
64

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 organization operates as a small non-profit entity affiliated with YMCA Plzeň, focusing on community and educational services. Its market position is local and community-centric, with a business model based on providing courses, camps, and space rentals. Revenue streams likely include course fees and rental income. The target customers are families, children, and community members interested in Christian and educational activities. The website shows active social media engagement and clear contact channels, indicating a well-maintained community presence. Growth indicators include planned summer camps and ongoing activities. The partnership ecosystem includes YMCA Plzeň and local churches. Strategic observations suggest opportunities to enhance digital trust and compliance to support future growth.

Security posture

The current security posture is moderate. The website uses HTTPS and a cookie consent banner, which are positive indicators. However, the lack of security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options reduces protection against common web attacks. No incident response or security policy information is published, which limits transparency and preparedness. The absence of WHOIS data for the domain raises questions about domain registration legitimacy. No vulnerabilities or exposed sensitive data were found in the HTML content. Compliance with GDPR is partial due to missing privacy policy documentation. Overall, the site is secure enough for its purpose but requires improvements to meet higher security and compliance standards.

Recommendations

  1. Implement standard security headers (CSP, X-Frame-Options, X-Content-Type-Options) to enhance protection.
  2. Publish a comprehensive privacy policy page detailing GDPR compliance and data handling practices.
  3. Verify and update domain WHOIS registration to ensure transparency and trustworthiness.
  4. Add terms of service and incident response contact information to improve legal and security posture.
  5. Conduct regular security audits of third-party scripts and dependencies to prevent vulnerabilities.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
YMCA PLZEŇ
Description
YMCA is the largest Christian organization worldwide. The Tlučná branch organizes various activities, meetings, and interest groups. They offer English language courses for children and adults, robotics, yoga, self-defense, creative workshops, day camps, and rental of center spaces. They also host Sunday Christian meetings.
Key services
Children's interest groups and courses, Day camps and thematic afternoons, Rental of center spaces, Sunday Christian services, Contact and support for community members
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Cloudfront CDN, Webnode CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner implemented
  • No exposed sensitive data in HTML

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
moderate

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. WHOIS data is missing, which is unusual and reduces domain trust.
  3. Website uses HTTPS and a CDN for content delivery.
  4. Cookie consent banner is implemented, but no privacy policy page found.
  5. Contact information is clearly provided with multiple emails and a contact form.
  6. Social media presence on Facebook and Instagram is active.
  7. Website content is focused on community, education, and Christian values.
  8. No security headers detected in HTML source; opportunity for improvement.
  9. No explicit or adult content detected; content is safe for general audiences.
Technical notes

Notes

The website is built using the Webnode CMS platform, served via Amazon Cloudfront CDN, ensuring reliable content delivery and moderate performance. The site uses modern HTML5, CSS3, and JavaScript with responsive design for mobile optimization. Meta tags and Open Graph tags are properly implemented for SEO and social sharing. However, accessibility features are basic and could be improved. The site lacks advanced frameworks or custom backend technologies, indicating a straightforward technical infrastructure suitable for a small non-profit. Performance is moderate with room for optimization. Technical risks include missing security headers and incomplete privacy compliance documentation.
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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