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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 and used vehicles. The website features over 80,000 listings and integrates automotive news and articles, targeting Czech car buyers and sellers. The business model centers on classified ads and dealership listings, positioning Sauto.cz as a market leader in the Czech automotive sector. Technically, the website employs modern web technologies including JavaScript ES modules, CSS preloading, and integration with Seznam.cz services for login and analytics. The site is served via Nginx with strong security headers and HTTPS enforced, indicating a mature digital infrastructure. Performance and mobile optimization are rated good, though accessibility features could be improved. From a security perspective, the site demonstrates good practices with comprehensive security headers and SSL configuration. However, the absence of explicit privacy and cookie policies, as well as lack of published security or incident response policies, represents compliance gaps. No vulnerabilities or exposed sensitive data were detected. Overall, the website presents a professional and trustworthy front for its business, though the lack of WHOIS data and privacy compliance documentation slightly reduce trust scores. Strategic improvements in privacy transparency and contact information publication are recommended to enhance compliance and user trust.

Scanned

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

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

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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 position in the Czech automotive online marketplace, leveraging a broad inventory and strong brand recognition. Its competitive advantage lies in extensive vehicle listings, integration with Seznam.cz ecosystem, and a user-friendly platform for both private sellers and dealerships. Revenue streams likely include advertising fees, premium listings, and possibly lead generation for dealers. The target customer segments are Czech individuals and businesses interested in vehicle transactions. Growth indicators include a large volume of listings and active content updates. The partnership ecosystem includes Seznam.cz and various automotive content providers. Operationally, the company focuses on maintaining a robust digital platform and expanding its market reach within the Czech Republic.

Security posture

The security posture of Sauto.cz is solid, with HTTPS enforced and multiple security headers implemented, reducing risks of common web attacks. No exposed credentials or sensitive data leaks were found. However, the absence of publicly available privacy policies, cookie consent mechanisms, and incident response contacts indicates areas for improvement in compliance and transparency. There is no evidence of vulnerability disclosures or security certifications. The site uses reputable third-party analytics and ad networks, which should be monitored for privacy compliance. Overall, the security maturity is good but could be enhanced by formalizing privacy and incident response documentation.

Recommendations

  1. Publish comprehensive privacy and cookie policies with explicit GDPR compliance statements and consent mechanisms.
  2. Provide clear contact information including business emails and phone numbers for customer and security inquiries.
  3. Implement and publicize a security policy and incident response plan with dedicated contact channels.
  4. Enhance website accessibility to meet recognized standards for broader user inclusivity.
  5. Verify and update WHOIS domain registration data to improve trust and legitimacy perception.
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 car dealerships and private sellers.
Key services
Car listings for new and used vehicles, Advertising platform for selling cars, Automotive news and articles
Content quality
good
Branding
consistent

Technology

Stack
JavaScript ES modules, CSS with preloading, Seznam.cz login API, Gemius analytics, Nginx web server, JSON-LD structured data
Platforms
Web
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Security headers properly configured
  • No exposed sensitive data detected

Analytics and tracking

Services
Gemius
Tracking level
moderate
Privacy practices
poor

Advertising

Ad networks
PubMatic, Adnxs
Tracking pixels
Gemius
Marketing tools
Seznam.cz dot tracking
Transparency
basic

Site quality

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

Key observations

  1. Website is a major Czech automotive marketplace with extensive listings and brand coverage.
  2. Content is in Czech language targeting Czech Republic users.
  3. No explicit privacy or cookie policies found in the provided content.
  4. No direct contact emails or phone numbers found in the analyzed content.
  5. Strong use of modern web technologies and security headers.
  6. WHOIS data is missing or unavailable, limiting domain trust assessment.
  7. No signs of adult or unsafe content.
  8. Advertising and tracking are present but standard for commercial sites.
Technical notes

Notes

The website is built on a modern JavaScript-based frontend with modular ES modules and CSS preloading for performance optimization. It integrates with Seznam.cz services for login and analytics, and uses Gemius for user tracking. The server runs Nginx with strong security headers and HTTPS. The site is mobile optimized and SEO friendly with structured data (JSON-LD). No CMS was explicitly detected, suggesting a custom or proprietary platform. Performance is fast with good technical implementation, though accessibility features are basic and could be improved. There is no indication of technical debt or legacy technology risks.
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. 74/100Medium25 findingsView report
  2. 74/100Medium26 findingsView report
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