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Security report for nafialce.cz

Openplace s.r.o. · Hospitality · Czech Republic

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

74/100

Risk levelMedium

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

Openplace s.r.o. operates the website www.nafialce.cz, which serves as a digital presence for Na Fialce, a sports and cultural center located in Říčany near Prague. The business targets sports enthusiasts, film lovers, and fans of quality food and coffee, positioning itself as a local community hub offering diverse leisure activities. The website content is well-structured and professionally presented in Czech, with clear branding and consistent messaging. Social media integration with Instagram and Facebook supports community engagement. Technically, the site employs modern web technologies including Bootstrap, Google Tag Manager, Facebook Pixel, and Cookiebot for cookie consent management, indicating a mature digital infrastructure. The site is mobile-optimized and SEO-friendly, though some accessibility features could be enhanced. Security posture is solid with HTTPS enforced and cookie consent mechanisms in place, but lacks some advanced security headers. WHOIS data is unavailable, which slightly reduces trustworthiness but does not negate the legitimacy suggested by the website content and structured data. Overall, the site demonstrates a good balance of business focus, technical implementation, and privacy compliance.

Scanned

This is an earlier scan of nafialce.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
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

3 findings rated critical or high. Fix these first.

  1. 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';…

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching nafialce.cz

This scan found 18 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
65
Security headers
35
Email security
70
DNS health
75
Network security
100
GDPR outside view
100
Average
74

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

Na Fialce operates in the hospitality sector, focusing on sports and cultural events, dining, and community activities. The business model revolves around providing a multi-functional venue for local residents and visitors, generating revenue through event hosting, food and beverage sales, and cultural programming. The company leverages social media for marketing and community building. The absence of detailed financial or corporate structure data limits deeper competitive analysis, but the presence of structured data and professional web presence suggests a stable small-sized enterprise. The use of third-party marketing and analytics tools indicates an active approach to customer insights and targeted advertising.

Security posture

The website enforces HTTPS and uses a comprehensive cookie consent solution (Cookiebot) that aligns with GDPR requirements, reflecting a strong commitment to privacy compliance. Tracking technologies include Google Analytics and Facebook Pixel, with user consent mechanisms in place. However, the site lacks visible advanced security headers such as Content-Security-Policy or X-Content-Type-Options, which could enhance protection against common web attacks. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of WHOIS data and explicit security or incident response policies is a minor concern. Overall, the security posture is good but could be improved with additional headers and documented policies.

Recommendations

  1. Implement additional HTTP security headers like Content-Security-Policy, X-Content-Type-Options, and Strict-Transport-Security to strengthen defense against attacks.
  2. Publish explicit security and incident response policies on the website to improve transparency and trust.
  3. Add clear company contact information including verified emails and phone numbers to enhance business credibility.
  4. Regularly audit and update third-party scripts and tracking tools to mitigate potential vulnerabilities.
  5. Consider publishing WHOIS data or ensuring domain registration information is accessible to improve trust signals.

Contact details published on the site

Addresses
Legal name
Openplace s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Openplace s.r.o.
Description
Sportovní a kulturní centrum v Říčanech u Prahy, nabízí sportovní aktivity, kulturní akce, dobré jídlo a kvalitní kávu.
Key services
sportovní aktivity, kulturní akce, restaurace, kavárna, kino
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Facebook Pixel, Cookiebot, Typekit Web Fonts, Bootstrap CSS
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google AdSense, Facebook Ads
Tracking pixels
Facebook Pixel
Marketing tools
Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content in Czech language
  2. Comprehensive cookie consent mechanism implemented via Cookiebot
  3. No WHOIS data available, possibly due to privacy protection or domain registration issues
  4. Uses modern web technologies and tracking tools
  5. No explicit contact emails or phone numbers found on main page
  6. Social media presence on Instagram and Facebook confirmed
  7. No visible security headers beyond HTTPS
  8. No terms of service or explicit security policy pages found
Technical notes

Notes

The website uses a modern technology stack including Bootstrap for responsive design, Google Tag Manager for analytics management, Facebook Pixel for marketing, and Cookiebot for GDPR-compliant cookie consent. Fonts are loaded via Adobe Typekit. The site is well-structured with proper meta tags for SEO and social sharing (Open Graph, Twitter Cards). Performance is moderate with deferred script loading and preloading of critical assets. Accessibility is basic but could be enhanced with ARIA roles and better keyboard navigation support. Hosting provider and CMS are not explicitly identified. Overall, the technical implementation supports a professional and user-friendly experience with room for optimization in security headers and accessibility.
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

Earlier scans of this domain

  1. 74/100Medium28 findingsView report
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