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Security report for rybo.cz

Jakub Hladký · Media · Czech Republic

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

Security score

55/100

Risk levelMedium

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

Rybo.cz is a personal fishing blog and podcast operated by Jakub Hladký, targeting the Czech fishing community and members of the Czech Fishing Union. The website offers fishing-related content including blog posts, audio interviews with fishing personalities, and monitoring of fishing product discounts. The business model is content-driven with monetization through advertising and user support. The site is well-branded and maintains a consistent presence across social media platforms. Technically, the site is built on WordPress with modern SEO practices, Google Tag Manager, and Adsense integration. It is mobile-optimized and accessible with good performance metrics. Security posture is solid with HTTPS and security headers, though it lacks a published security policy or incident response information. Privacy compliance is good with GDPR-aligned cookie consent and privacy policy. The absence of WHOIS data reduces domain trust slightly but does not detract from the professionalism of the site content and business information.

Scanned

NIS2 and GDPR posture

GDPR outside view
60/ 100 · Medium
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 Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  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 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 rybo.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
62
Security headers
15
Email security
65
DNS health
85
Network security
40
GDPR outside view
60
Average
55

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

Rybo.cz occupies a niche media position within the Czech fishing community, offering specialized content that combines personal blogging with podcasting. Its competitive advantage lies in authentic content created by an active fisherman and community member. Revenue streams likely include advertising and direct user support. The target audience is sport fishing enthusiasts in the Czech Republic. The site shows growth potential through its multi-platform podcast distribution and active social media engagement. Partnerships with content creators and fishing product vendors are implied but not explicitly detailed. Overall, the business operates as a small but focused media entity with a clear market segment.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, presence of key security headers, and a cookie consent mechanism aligned with GDPR. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the lack of a publicly available security policy and incident response contact reduces transparency and preparedness perception. The site uses third-party scripts such as Google Tag Manager and Adsense, which require ongoing monitoring for vulnerabilities. There is no evidence of a security.txt file or vulnerability disclosure program. Overall, the security maturity is good but could be improved by publishing formal security and incident response documentation.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and user data protection.
  2. Add incident response contact information or abuse email to improve transparency and trust.
  3. Implement and publish a security.txt file to facilitate vulnerability reporting.
  4. Regularly audit and update third-party scripts to mitigate supply chain risks.
  5. Enhance Content Security Policy headers to restrict resource loading and reduce XSS risks.

Contact details published on the site

Legal name
Jakub Hladký
Registration number
IČ 60605995
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Jakub Hladký
Description
Osobní rybářský blog a podcast běžného rybáře a člena Českého rybářského svazu. Publikuje audio rozhovory s rybářskými osobnostmi a píše o rybařině a přírodě.
Key services
rybářský blog, rybářský podcast, monitoring slev v rybářských e-shopech
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Google Tag Manager, Google Adsense, Google Fonts, jQuery, Slick Slider
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

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

Analytics and tracking

Services
Google Analytics (via Google Tag Manager)
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Adsense
Transparency
good

Site quality

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

Key observations

  1. Website is a personal fishing blog and podcast operated by Jakub Hladký.
  2. Content is in Czech language and targets Czech fishing community.
  3. Site uses WordPress CMS with modern SEO and analytics tools.
  4. Privacy and cookie policies are present and GDPR compliant.
  5. No WHOIS data available, which is unusual and reduces domain trust score.
  6. No security policy or incident response info published.
  7. Site uses HTTPS with good security headers.
  8. Advertising is primarily via Google Adsense with consent mechanism.
  9. Social media presence on Facebook, Instagram, YouTube, LinkedIn.
  10. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on WordPress CMS with a custom theme and uses modern web technologies including Google Fonts, Slick Slider, and Google Tag Manager for analytics and advertising. The site is mobile-optimized and accessible with good SEO metadata including Open Graph and JSON-LD structured data. Performance is moderate with some room for optimization. Hosting provider details are not explicitly identified. The site uses HTTPS with a valid SSL certificate and implements standard security headers. There is no evidence of outdated or vulnerable libraries in the HTML content. Overall, the technical infrastructure is solid for a small content-driven website but could benefit from performance tuning 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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