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Security report for sauto.cz

Sauto.cz · Transportation · Czech Republic

Medium risk. 4 critical or high findings in GDPR outside view.

Security score

74/100

Risk levelMedium

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

Sauto.cz operates as the largest online automotive marketplace in the Czech Republic, offering a comprehensive platform for buying and selling new, used, and demo vehicles. The website targets car buyers and sellers primarily within the Czech market, providing extensive listings and automotive news content. Technically, the site employs modern web technologies including JavaScript ES modules, JSON-LD structured data for SEO, and is hosted behind a performant Nginx server with strong integration into the Seznam.cz ecosystem. Security posture is robust with HTTPS enforced and multiple security headers configured, although explicit privacy and cookie policies are not clearly presented in the analyzed content. The absence of WHOIS data reduces transparency but does not detract significantly from the professional appearance and functionality of the site. Overall, Sauto.cz demonstrates a mature digital presence with good security practices but could improve privacy compliance and transparency.

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

4 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 Policy found

      GDPR requires clear information about cookie usage

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

    • 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

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

Keep watching sauto.cz

This scan found 17 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
95
Security headers
80
Email security
70
DNS health
75
Network security
100
GDPR outside view
25
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

Sauto.cz holds a dominant market position in the Czech automotive classifieds sector, leveraging its affiliation with Seznam.cz to reach a broad audience. The business model is based on providing a platform for vehicle listings and advertising, generating revenue likely through listing fees and advertising partnerships. The site supports a wide range of vehicle brands and types, indicating a comprehensive inventory. The integration with multiple advertising and tracking networks suggests a sophisticated marketing approach. However, the lack of visible company contact details and privacy documentation may impact user trust and regulatory compliance. Growth opportunities include enhancing transparency, expanding privacy features, and formalizing security and incident response policies.

Security posture

The website benefits from a strong security foundation with HTTPS, strict transport security, content security policies, and other security headers properly configured. No immediate vulnerabilities or exposed sensitive data were detected in the content. However, the absence of published security policies, incident response contacts, and vulnerability disclosure mechanisms indicates room for improvement in security governance and transparency. The site uses modern JavaScript frameworks and deferred script loading, reducing attack surface. To elevate security posture, Sauto.cz should consider publishing formal security policies, establishing incident response channels, and implementing a security.txt file.

Recommendations

  1. Publish comprehensive privacy and cookie policies with clear consent mechanisms to improve GDPR compliance.
  2. Provide explicit contact information for data protection officer or privacy inquiries to enhance transparency.
  3. Establish and publish a security policy and incident response contact details to improve security governance.
  4. Implement a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  5. Regularly audit third-party scripts and advertising networks to minimize privacy risks and maintain user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sauto.cz
Description
Sauto.cz is the largest online car bazaar in the Czech Republic offering over 80,000 listings of new and used cars for sale from both dealerships and private sellers.
Key services
Car listings (new, used, demo vehicles), Advertising platform for car sellers, Automotive news and articles
Content quality
good
Branding
consistent

Technology

Stack
JavaScript ES modules, Nginx web server, Seznam.cz internal APIs, Modern CSS with preloading, JSON-LD structured data
Frameworks
Custom internal JS framework ($IMA.Loader)
Platforms
Web desktop and mobile optimized
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Security headers properly configured
  • No exposed sensitive data in HTML
  • Use of modern JS modules and deferred loading

Analytics and tracking

Services
Gemius, Seznam.cz DOT
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
PubMatic, Adnxs (AppNexus), Sklik (Seznam.cz)
Tracking pixels
Gemius, Seznam.cz DOT, Seznam.cz RC
Marketing tools
Seznam.cz internal marketing and ad services
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 and modern design.
  2. No WHOIS data available, which is unusual and reduces transparency.
  3. No explicit privacy or cookie policies found in the provided content.
  4. Strong integration with Seznam.cz ecosystem and advertising networks.
  5. Good security headers and HTTPS usage.
  6. No contact emails or phone numbers explicitly found in the provided content.
  7. No social media links explicitly found in the provided content.
  8. No forms with personal data collection explicitly visible in the provided content.
Technical notes

Notes

The website is built on a modern tech stack with modular JavaScript, JSON-LD for SEO, and optimized CSS loading. It is hosted on a performant Nginx server with strong integration into the Seznam.cz platform, including multiple APIs for categories, filters, and articles. The site is mobile-optimized with responsive design and accessibility considerations. Performance is fast with deferred script loading and preconnect/dns-prefetch hints for external resources. No CMS was explicitly detected, suggesting a custom or proprietary platform. Technical risks are minimal but include reliance on multiple third-party ad and tracking services which require ongoing monitoring.
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. 74/100Medium26 findingsView report
  2. 74/100Medium26 findingsView report
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