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Security report for arriva.cz

Arriva · Transportation · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view and SSL/TLS.

Security score

69/100

Risk levelMedium

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

Arriva is a major European transportation company operating extensively in the Czech Republic with a large fleet of buses, trolleybuses, and trains. The website presents a professional and well-structured digital presence primarily targeting public transport users in the Czech Republic. The technical infrastructure includes modern web technologies and tracking tools such as Google Tag Manager and Google Analytics, indicating a mature digital marketing approach. Security posture is adequate with HTTPS enforced and a comprehensive cookie consent mechanism, though there is room for improvement in security headers and explicit incident response information. The absence of WHOIS data limits the ability to fully verify domain legitimacy, but the website content and branding are consistent and trustworthy. Overall, the site is safe, professional, and compliant with GDPR requirements.

Scanned

This is an earlier scan of arriva.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

6 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, Twitter, LinkedIn, YouTube, Google APIs

      What to do: Document all third-party data sharing in your privacy policy

  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 Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching arriva.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
42
Security headers
80
Email security
80
DNS health
85
Network security
100
GDPR outside view
25
Average
69

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

Arriva holds a strong market position as one of the largest transport companies in Europe and the Czech Republic, operating a large fleet and employing thousands. Their business model focuses on public transportation services including buses, trolleybuses, and trains. The website targets general public users of transport services and provides relevant information and ticketing widgets. The company leverages analytics and marketing tools to optimize user engagement. However, the lack of visible contact details and WHOIS transparency may impact trust for some users. No direct partnerships or subsidiaries were identified from the website content.

Security posture

The website enforces HTTPS and implements a detailed cookie consent mechanism aligned with GDPR, reflecting a good privacy compliance level. However, no explicit security headers such as Content-Security-Policy or X-Frame-Options were detected, which could enhance protection against common web attacks. There is no visible security policy or incident response contact information, which are best practices for transparency and readiness. No vulnerabilities or exposed sensitive data were found in the analyzed content. The security score is moderate with recommendations to improve header implementation and publish security-related policies.

Recommendations

  1. Implement and publish security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Add explicit contact information for security incidents and consider publishing an incident response policy.
  3. Publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Enhance transparency by providing clear company contact details on the website.
  5. Investigate and resolve the missing WHOIS data to improve domain registration trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Arriva
Description
Arriva je jednou z největších dopravních společností v Evropě. V České republice provozujeme 2 400 autobusů, 35 trolejbusů a 70 vlaků a zaměstnáváme více než 3 500 zaměstnanců.
Key services
Bus transportation, Trolleybus transportation, Train transportation
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, JavaScript, CSS, HTML5
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular control

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Comprehensive cookie consent and privacy policy in Czech language.
  3. No explicit contact emails or phone numbers found in the provided HTML snippet.
  4. Use of Google Tag Manager and Google Analytics for tracking.
  5. No visible security.txt or vulnerability disclosure information.
  6. WHOIS data is missing, indicating possible privacy protection or data unavailability.
  7. Website content is focused on transportation services in Czech Republic.
  8. No suspicious or malicious content detected.
Technical notes

Notes

The website uses a modern tech stack with HTML5, CSS, JavaScript, and integrates Google Tag Manager and Google Analytics for tracking and marketing. The site appears mobile optimized with responsive design and good navigation clarity. Performance is moderate with asynchronous loading of scripts. No CMS or hosting provider information was detected from the provided content. Accessibility features are basic but present. SEO optimization is good with proper meta tags and Open Graph data. Technical risks include missing security headers and incomplete WHOIS data which could impact trust and security posture.
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. 59/100Medium25 findingsView report
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