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Security report for flixtrain.se

FlixBus Sverige · Transportation · Sweden

Medium risk. 8 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

56/100

Risk levelMedium

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

FlixBus Sverige operates as a major intercity bus transportation provider offering affordable and comfortable travel options across Sweden and Europe. The company boasts an extensive network covering over 3,000 destinations in more than 40 countries, targeting general consumers seeking convenient and climate-friendly travel. The website is professionally designed, mobile-optimized, and provides comprehensive information about services, routes, and booking options. Technical infrastructure leverages modern web technologies including React, Drupal CMS, and cloud-based CDNs, ensuring fast performance and good accessibility. Security posture is strong with HTTPS enforcement and cookie consent mechanisms, although explicit security policies and incident response details are not publicly disclosed. WHOIS data for the domain is unavailable, likely due to querying the www subdomain, but the brand's legitimacy is supported by consistent branding and external references. Overall, the website demonstrates a mature digital presence with good privacy compliance and user experience.

Scanned

This is an earlier scan of flixtrain.se. 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

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

  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';…

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Keep watching flixtrain.se

This scan found 27 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
15
Email security
60
DNS health
65
Network security
100
GDPR outside view
25
Average
56

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

FlixBus holds a strong market position as a large transportation company specializing in intercity bus travel. Its business model centers on ticket sales through multiple channels including website, mobile app, and partner outlets. The company targets a broad customer base interested in cost-effective and environmentally conscious travel. FlixBus maintains a wide partnership ecosystem evident from multiple localized domains and related service sites. The company actively engages customers via social media and provides real-time travel tracking and app-based services, indicating a focus on digital innovation and customer convenience. Growth is supported by continuous network expansion and service enhancements such as airport shuttles and onboard amenities.

Security posture

The website exhibits a solid security foundation with HTTPS enabled and use of reputable third-party services for analytics and consent management. Security best practices such as cookie consent and avoidance of exposed sensitive data are observed. However, the absence of explicit security policy pages and incident response contact information represents a compliance gap. No vulnerabilities or outdated libraries were detected in the analyzed content. The security score is high but could be improved by publishing detailed security and incident response documentation and verifying presence of all recommended HTTP security headers.

Recommendations

  1. Publish a dedicated security policy and incident response page to enhance transparency and compliance.
  2. Verify and implement comprehensive HTTP security headers including Content-Security-Policy and X-Content-Type-Options.
  3. Regularly audit third-party scripts and dependencies to mitigate supply chain risks.
  4. Provide clear contact information for security incidents and data protection officer if applicable.
  5. Maintain and update privacy and cookie policies to reflect evolving regulations and user expectations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
FlixBus Sverige
Description
FlixBus offers intercity bus service all over Europe, North America and South America connecting thousands of destinations.
Key services
Bus ticket booking, Real-time trip tracking, Customer support, Mobile app for booking and travel management, Airport shuttle services
Content quality
excellent
Branding
consistent

Technology

Stack
React (honeycomb-react-css-component styles), Usercentrics CMP for cookie consent, Google Tag Manager, Datadog RUM, Cloudfront CDN, Drupal CMS (inferred from asset paths)
Frameworks
React
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of reputable third-party scripts

Analytics and tracking

Services
Google Tag Manager, Datadog RUM
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Adtriba
Tracking pixels
Datadog RUM
Marketing tools
Usercentrics CMP
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Content is professionally presented in Swedish language targeting Swedish market.
  3. Strong brand presence with consistent logos and social media links.
  4. Comprehensive privacy and cookie policies with consent mechanism implemented.
  5. No direct contact emails or phone numbers found on main page; contact likely via help portal.
  6. Use of modern web technologies and CDN for performance.
  7. No security policy or incident response information explicitly found on site.
  8. WHOIS data for domain not found, possibly due to querying www subdomain instead of root domain.
Technical notes

Notes

The website is built on a modern technology stack featuring React components styled with honeycomb-react-css, served via a Drupal CMS backend. It uses Amazon Cloudfront CDN for asset delivery, ensuring fast load times globally. The site integrates advanced analytics and user tracking tools such as Google Tag Manager and Datadog RUM, alongside a robust cookie consent platform (Usercentrics). The design is responsive and accessible, with semantic HTML and ARIA roles used appropriately. No technical debt or deprecated technologies were identified. Opportunities exist to enhance security headers and provide more explicit documentation on security practices.
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. 55/100Medium37 findingsView report
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