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Security report for sedesatka.cz

GTO Solutions s.r.o. · Media · Czech Republic

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

Security score

52/100

Risk levelMedium

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

Sedesatka.cz is a Czech-language news and lifestyle portal operated by GTO Solutions s.r.o., offering a broad range of content including verified reviews, user guides, horoscopes, financial and political news, and cultural topics. The site targets Czech internet users seeking trustworthy and diverse information. Technically, the website employs modern web technologies such as Google Fonts, Google Tag Manager, Google Analytics, and Google Adsense for content delivery, analytics, and monetization. The site is well-structured, mobile-optimized, and includes a comprehensive cookie consent mechanism ensuring GDPR compliance. Security posture is strong with HTTPS enforced and no critical vulnerabilities detected, though additional security headers could enhance protection. The absence of WHOIS data for the domain is a notable concern, reducing domain registration trustworthiness, but the website content and business information appear professional and credible. Overall, the site presents a reliable and user-friendly experience with moderate to good technical and security maturity.

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

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

    • 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 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';…

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

Keep watching sedesatka.cz

This scan found 21 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
72
Security headers
55
Email security
75
DNS health
65
Network security
20
GDPR outside view
25
Average
52

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 in the media sector, focusing on content publishing with advertising revenue and newsletter subscriptions as likely business models. It maintains partnerships with several related Czech content sites, enhancing its market presence. The company behind the site, GTO Solutions s.r.o., is positioned as a small but important player in the Czech online media landscape. The content quality and branding are consistent, targeting a general Czech audience interested in lifestyle, news, and practical guides. The site’s diverse content categories and active social media presence support audience engagement and growth potential.

Security posture

The website demonstrates a solid security posture with HTTPS enabled and a consent management platform for GDPR compliance. Security headers are partially implemented, and no exposed sensitive data or vulnerable libraries were detected. The site uses third-party scripts from reputable providers like Google and Facebook, which are common but require ongoing monitoring for vulnerabilities. The cookie consent mechanism is robust, allowing users to manage preferences effectively. However, the lack of WHOIS data for the domain registration is a risk factor that should be addressed to improve overall trust. Incident response and security policy information are not publicly available, indicating potential areas for improvement in transparency and readiness.

Recommendations

  1. Implement additional HTTP security headers such as Content-Security-Policy and Strict-Transport-Security to enhance protection against common web attacks.
  2. Conduct regular security audits of third-party scripts and dependencies to mitigate risks from external libraries.
  3. Publish or improve transparency around security policies and incident response procedures to build user trust.
  4. Address the missing WHOIS data by ensuring proper domain registration details are publicly available to improve domain legitimacy.
  5. Enhance accessibility features to meet higher compliance standards and improve user experience for all visitors.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
GTO Solutions s.r.o.
Description
Sedesatka.cz is a Czech news portal providing verified reviews, user guides, horoscopes, financial information, and news from both domestic and international sources. It covers a wide range of topics including politics, culture, technology, and sports.
Key services
Verified reviews, User guides, Horoscopes, Financial news, Political news, Cultural and entertainment news
Content quality
good
Branding
consistent

Technology

Stack
Google Fonts, Google Tag Manager, Google Analytics, Google Adsense, Material Icons, JavaScript, CSS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Consent management platform for GDPR compliance
  • No exposed sensitive data detected

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Adsense, Index Exchange, VDX.tv
Tracking pixels
Facebook Pixel
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. No WAF or blocking mechanisms detected.
  3. Comprehensive cookie consent and privacy policy implemented.
  4. WHOIS data unavailable, which is unusual and reduces domain trust.
  5. Website uses multiple Google services for analytics and advertising.
  6. Content is diverse, covering news, reviews, horoscopes, and guides.
  7. Social media presence on Facebook and Instagram is active.
  8. No explicit or adult content detected.
  9. Website design and navigation are user-friendly and professional.
Technical notes

Notes

The website uses a modern technology stack including Google Fonts, Google Tag Manager, Google Analytics, and Google Adsense, indicating a mature digital infrastructure. The site loads with moderate performance and is mobile-optimized with responsive design. SEO practices are good with proper meta tags and structured data (JSON-LD) for organization information. The CMS or hosting provider is not explicitly identified. The site uses a custom JavaScript and CSS setup with deferred script loading to optimize performance. There is room for improvement in accessibility and additional security headers. Overall, the technical implementation supports a professional and user-friendly web presence.
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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