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Security report for sa.cz

STUDENT AGENCY TRAVEL k.s. · Transportation · Czech Republic

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

71/100

Risk levelMedium

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

STUDENT AGENCY TRAVEL k.s. operates a comprehensive online travel platform primarily serving the Czech Republic. The company offers a wide range of travel-related services including flight tickets, bus tickets, holiday packages, language stays, hotel bookings, and travel insurance. With a market presence of over 30 years, it holds a strong position in the regional travel market, targeting travelers, students, and general consumers seeking affordable and convenient travel options. The website reflects a mature business model with multiple related domains and a consistent brand identity. Technically, the website is built on modern frameworks such as Next.js and React, leveraging Google Tag Manager and reCAPTCHA v3 for analytics and security. The site is well-optimized for performance, mobile responsiveness, and accessibility, providing a seamless user experience. Security best practices are observed, including HTTPS enforcement and security headers, although explicit security policies and incident response details are not publicly disclosed. The security posture is solid with no evident vulnerabilities or exposed sensitive data. Privacy compliance is well addressed with clear privacy and cookie policies, including GDPR adherence. Contact information is transparent, enhancing business credibility. However, the absence of WHOIS data and vulnerability disclosure mechanisms slightly reduce trust scores. Overall, the site is professional, secure, and trustworthy, suitable for general audiences without any adult or questionable content.

Scanned

NIS2 and GDPR posture

GDPR outside view
73/ 100 · Medium
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

5 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 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

  3. 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 sa.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.

Daily monitoring

Recommended

€25per month

  • 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
77
Security headers
20
Email security
85
DNS health
70
Network security
100
GDPR outside view
73
Average
71

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 sa.cz, from OffSeq Breach.

Total records
327
Employees
0
Customers
327
Third parties
0
Weak passwords
30%

29 subdomains 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 sa.cz.

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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

The company is positioned as a leading travel service provider in the Czech market, leveraging a diversified portfolio of travel products and services. Its competitive advantage lies in its long-standing market presence, multi-channel offerings, and strong brand recognition. Revenue streams likely include ticket sales, holiday packages, insurance, and ancillary services such as car rentals and airport transfers. The target customer segments include students, leisure travelers, and business travelers seeking cost-effective travel solutions. The partnership ecosystem includes sister domains focused on bus travel, hotels, and language stays, indicating a vertically integrated travel service model. Strategic observations suggest continued growth potential through digital innovation and expanded service offerings.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and multiple security headers implemented. The use of Google reCAPTCHA v3 helps mitigate automated abuse. No sensitive data leakage or vulnerable libraries were detected in the HTML content. However, the lack of a published security policy, incident response plan, or vulnerability disclosure program indicates room for improvement in transparency and readiness. Compliance with GDPR is evident through privacy and cookie policies, but explicit data protection officer contact details are missing. Overall, the security culture appears adequate but could benefit from enhanced documentation and proactive disclosure.

Recommendations

  1. Publish a dedicated security policy and incident response information page to improve transparency and user trust.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  3. Designate and provide contact information for a Data Protection Officer to strengthen GDPR compliance and data protection governance.
  4. Regularly review and audit third-party scripts and libraries to ensure no vulnerabilities are introduced via dependencies.
  5. Enhance accessibility features to meet higher standards, ensuring inclusivity for all users.

Contact details published on the site

Addresses
Legal name
STUDENT AGENCY TRAVEL k.s.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
STUDENT AGENCY TRAVEL k.s.
Description
Letenky, jízdenky, dovolená a jazykové pobyty za nejlepší ceny online za pár kliknutí
Key services
Flight tickets, Bus tickets, Holiday packages, Language stays, Hotel bookings, Travel insurance, Car rentals, Airport transfers
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Google Tag Manager, Google reCAPTCHA v3
Frameworks
Next.js
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of reCAPTCHA v3
  • No exposed sensitive data in HTML
  • Secure forms with proper labels

Analytics and tracking

Services
Google Analytics (via Google Tag Manager)
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google reCAPTCHA
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 rich content and no blocking detected.
  2. WHOIS data is unavailable, which is a minor trust concern.
  3. Strong branding and multiple related domains indicate a mature business.
  4. Good use of modern web technologies and security best practices.
  5. Privacy and cookie policies are present and appear GDPR compliant.
  6. Contact information is clearly provided with phone and physical address.
  7. No explicit security policy or incident response information found.
  8. No vulnerability disclosure or security.txt file detected.
  9. No adult or questionable content present; site is safe for general audiences.
Technical notes

Notes

The website is built using modern web technologies including React and Next.js, which support server-side rendering and improved SEO. Integration with Google Tag Manager and reCAPTCHA v3 indicates a focus on analytics and security. The site loads quickly and is optimized for mobile devices, providing an excellent user experience. The absence of a detected CMS suggests a custom or headless CMS solution. Hosting details are not explicitly found but the performance and security headers imply a professional hosting environment. Technical risks are minimal, though continuous monitoring of third-party scripts is advised to mitigate supply chain 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

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