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Security report for flixbus.al

Flix SE · Transportation · Albania

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

Security score

60/100

Risk levelMedium

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

Flix SE operates the www.flixbus.al website, providing affordable and eco-friendly intercity bus travel services across Europe, targeting Albanian-speaking customers. The company is a major player in the European transportation sector, offering extensive routes and modern amenities. The website is professionally designed, multilingual, and optimized for mobile users, reflecting a mature digital infrastructure. Technically, the site uses Drupal CMS, integrates multiple analytics and marketing tools, and employs strong security practices including HTTPS and security headers. Privacy compliance is robust with clear policies and consent management. However, direct contact information and explicit security policies are not prominently available. Overall, the site demonstrates a strong security posture and business credibility with no critical vulnerabilities detected.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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. 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

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

Keep watching flixbus.al

This scan found 25 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.

Daily monitoring

Recommended

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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
67
Security headers
15
Email security
70
DNS health
75
Network security
100
GDPR outside view
35
Average
60

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

Flix SE holds a leading market position in European intercity bus transportation, leveraging a broad network of routes and subsidiaries like Greyhound and FlixTrain. The business model focuses on online and app-based ticket sales, targeting budget-conscious travelers seeking sustainable transport options. The company maintains a strong partnership ecosystem and invests in digital marketing and analytics to optimize customer engagement. Growth indicators include extensive route offerings and multilingual support. The website content and structure support a professional brand image and customer trust.

Security posture

The website exhibits a mature security posture with enforced HTTPS, comprehensive security headers, and no exposed sensitive data. The use of a consent management platform aligns with GDPR requirements. However, the absence of a public security policy, incident response details, and vulnerability disclosure mechanisms suggests room for improvement in transparency and incident readiness. No known vulnerabilities or suspicious scripts were detected. The security score is high but could be enhanced by publishing explicit security governance information.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Provide clear security incident response contact channels (e.g., security@flixbus.al).
  4. Enhance visibility of customer support contact information including phone and email.
  5. Regularly review and audit third-party scripts and tracking tools for security risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Flix SE
Description
FlixBus offers low-cost bus travel with over 400,000 daily lines to around 2,500 destinations in more than 35 European countries. The service provides eco-friendly, comfortable bus travel with amenities such as free Wi-Fi, power outlets, and onboard service. Customers can book tickets online, via app, or at Flixshops.
Key services
Bus ticket sales, Real-time travel information, Onboard amenities, Mobile app for booking and tracking
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Drupal CMS, Cloudfront CDN, Google Tag Manager, Datadog RUM, Usercentrics CMP, Snowplow Analytics, Adtriba, Honeycomb UI components
Frameworks
Drupal
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Consent management platform implemented

Analytics and tracking

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

Advertising

Ad networks
Adtriba, Adjust
Tracking pixels
Snowplow, Datadog RUM
Marketing tools
Usercentrics CMP
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 in Albanian language.
  2. Strong multi-language support with hreflang tags for many countries.
  3. Comprehensive privacy and cookie policies with consent management implemented.
  4. No direct contact emails or phone numbers found on main page; customer support likely via help portal.
  5. Use of modern web technologies and analytics tools.
  6. No security or privacy red flags detected.
  7. Clear branding and professional design consistent with a large transportation company.
Technical notes

Notes

The website is built on Drupal CMS and leverages modern JavaScript frameworks and cloud CDN services for performance and scalability. It integrates advanced analytics (Snowplow, Datadog RUM) and marketing tools (Adtriba, Adjust) with a user consent platform (Usercentrics). The site is mobile-optimized with responsive design and accessibility features. Performance is fast with preloading and lazy loading techniques. Technical risks are minimal but depend on continuous monitoring of third-party dependencies and compliance with evolving privacy regulations.
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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