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Security report for flixbus.lt

Flix SE · Transportation · Lithuania

High risk. 11 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

49/100

Risk levelHigh

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

Flix SE operates the www.flixbus.lt website, providing affordable bus travel services across Lithuania and Europe. The company offers a large network of routes, mobile app integration, and customer support, positioning itself as a leading transportation provider in the region. The website is professionally designed, multilingual, and optimized for mobile users, reflecting a mature digital presence. Technically, the site uses Drupal CMS, modern JavaScript frameworks, and integrates multiple analytics and advertising tools with a consent management platform, indicating compliance with privacy regulations such as GDPR. Security posture is strong with HTTPS enforcement and appropriate security headers, although explicit security policies and incident response contacts are not publicly available. WHOIS data for the .lt domain is unavailable, likely due to registry restrictions, but the website's branding and infrastructure strongly support legitimacy. Overall, the site is trustworthy, user-friendly, and well-maintained, serving a broad audience of travelers.

Scanned

NIS2 and GDPR posture

GDPR outside view
10/ 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

11 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

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  3. 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';…

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

Keep watching flixbus.lt

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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
40
DNS health
60
Network security
100
GDPR outside view
10
Average
49

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention flixbus.lt, from OffSeq Breach.

Total records
2
Employees
0
Customers
2
Third parties
0
Weak passwords
0%

1 subdomain affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for flixbus.lt.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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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's market position as a major European bus travel provider is supported by a vast route network and multiple localized domains. The business model centers on online ticket sales and app-based bookings, targeting budget-conscious travelers. The company leverages partnerships and subsidiaries across Europe, enhancing market reach. Revenue streams likely include ticket sales, ancillary services, and affiliate marketing. The website's integration with various marketing and analytics platforms suggests a data-driven approach to customer acquisition and retention. The absence of direct contact details on the main site may indicate centralized customer service through dedicated portals. The company demonstrates strong branding consistency and digital maturity, with ongoing investments in mobile and web technologies.

Security posture

The website enforces HTTPS with strong SSL/TLS configuration and implements key security headers such as Content-Security-Policy and Strict-Transport-Security, reducing risks of common web attacks. Use of a consent management platform aligns with privacy compliance requirements. However, the lack of a published security policy, incident response information, or vulnerability disclosure program limits transparency and may hinder rapid incident handling. No vulnerabilities or exposed sensitive data were detected in the HTML content. Third-party scripts are extensively used, which requires ongoing monitoring to mitigate supply chain risks. Overall, the security posture is solid but could be improved by publishing explicit security documentation and providing clear security contact channels.

Recommendations

  1. Publish a dedicated security policy and incident response page to enhance transparency and trust.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide clear contact information for security incidents, such as a security@ or abuse@ email address.
  4. Regularly audit and update third-party scripts and dependencies to minimize supply chain vulnerabilities.
  5. Enhance data retention and privacy policy disclosures to improve GDPR compliance and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Flix SE
Description
Nebrangios kelionės autobusu Europoje su daugiau nei 400 000 maršrutų kasdien į 2 500 miestų 35 šalių. Siūloma nemokama atšaukimo galimybė likus 30 dienų iki išvykimo, Wi-Fi ir elektros lizdai autobuse.
Key services
Autobusų bilietų pardavimas, Maršrutų žemėlapis, Kelionės sekimas, Klientų aptarnavimas, Mobilioji programėlė
Content quality
good
Branding
consistent

Technology

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

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • No exposed sensitive data in HTML
  • Use of consent management platform

Analytics and tracking

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

Advertising

Ad networks
Adtriba
Tracking pixels
Datadog RUM, Snowplow
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 and multiple language options
  2. Strong brand presence with consistent logos and social media links
  3. No direct contact emails or phone numbers found on homepage or footer
  4. Use of multiple third-party analytics and advertising scripts with consent management
  5. No security.txt or explicit security policy pages found
  6. WHOIS data unavailable or inaccessible for .lt domain, possibly due to registry restrictions
  7. Website uses HTTPS with strong security headers
  8. Mobile optimized with responsive design and accessibility features
Technical notes

Notes

The website is built on Drupal CMS with a modern JavaScript frontend, leveraging cloud-based CDN services (Amazon Cloudfront) for content delivery. It integrates multiple analytics and marketing tools including Google Tag Manager, Datadog RUM, Snowplow, and Adtriba, supported by a consent management platform (Usercentrics). The site is mobile-optimized, accessible, and SEO-friendly with proper meta tags and structured navigation. Performance is moderate, with room for optimization in loading speed. The technical infrastructure supports scalability and a broad international audience through multiple localized domains. No critical technical debt or deprecated technologies were observed, indicating a well-maintained platform.
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. 50/100Medium38 findingsView report
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