Security report for zssk.sk
Železničná spoločnosť Slovensko · Transportation · Slovakia
Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.
Železničná spoločnosť Slovensko (ZSSK) operates as the national railway carrier in Slovakia, providing comprehensive passenger rail services domestically and internationally. The website serves as a primary portal for ticket sales, travel information, and customer support, targeting train travelers in Slovakia and neighboring countries. The company holds a strong market position as the national transport provider with a broad portfolio of services including seat reservations, baggage transport, and special accommodations for disabled passengers. The site is professionally designed with clear navigation and multilingual support, enhancing user experience and accessibility. Technically, the website is built on WordPress with modern technologies such as React and integrates advanced SEO and accessibility plugins. It employs a cookie consent mechanism compliant with GDPR, uses secure HTTPS connections, and integrates third-party marketing and analytics tools like Facebook Pixel and Google Tag Manager. The site demonstrates good mobile optimization and performance, although hosting details are not explicitly identified. From a security perspective, the website enforces HTTPS and uses secure login portals. While explicit security policies and incident response contacts are not published, no vulnerabilities or exposed sensitive data were detected. The site uses cookie consent and privacy policies that align with GDPR requirements. Recommendations include publishing a dedicated security policy and incident response information, and implementing a security.txt file for vulnerability disclosures. Overall, the website presents a low-risk profile with high trustworthiness, professional content, and strong compliance with privacy regulations. Strategic improvements in transparency around security policies and incident response would further enhance its security posture and user trust.
Scanned
NIS2 and GDPR posture
- GDPR outside view
- 40/ 100 · High
- Checks completed
- 7of 7
NIS2 Art. 21(2)
- (a) Risk analysis and security policies: Not visible from outside
- (b) Incident handling: One indicator
- (c) Business continuity, backups and crisis management: Not visible from outside
- (d) Supply chain security: Not visible from outside
- (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
- (f) Assessing the effectiveness of security measures: Not visible from outside
- (g) Cyber hygiene and security training: Not visible from outside
- (h) Cryptography and encryption: Partly checked
- (i) HR security, access control and asset management: One indicator
- (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
7 findings rated critical or high. Fix these first.
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
- GDPR Art. 12
- GDPR Art. 13
- NIST PT-5: NIST SP 800-53 Rev. 5 PT-5: Privacy Notice
- High
Third-party services without privacy policy
Detected services: Google Analytics, Facebook, LinkedIn, YouTube
What to do: Document all third-party data sharing in your privacy policy
- Critical
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 X-Frame-Options header
Prevents clickjacking attacks
What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"
- CWE-1021
- OWASP A06:2025
- CAPEC-103
- ASVS V3.4.6
- OWASP Secure Headers: OWASP Secure Headers Project recommends X-Frame-Options: deny
- RFC 7034
- 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';…
- High
Need hands-on remediation? Email guard@offseq.com
Keep watching zssk.sk
This scan found 26 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
- 52
- Security headers
- 25
- Email security
- 85
- DNS health
- 60
- Network security
- 100
- GDPR outside view
- 40
- 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
Security posture
Recommendations
- Publish a comprehensive security policy page detailing security practices and user guidance.
- Establish and publicize incident response contact channels to improve transparency and trust.
- Implement a security.txt file to facilitate responsible vulnerability disclosures.
- Regularly audit third-party scripts and plugins for security vulnerabilities and update promptly.
- Enhance security headers explicitly and verify their presence to strengthen defense-in-depth.
Site observations
Automated reading of the public site. Ratings are indicative.
Business
- Company
- Železničná spoločnosť Slovensko
- Description
- Cestujte vlakom na Slovensku aj do zahraničia so ZSSK. Kúpte si lístok a užite si pohodlnú cestu do vášho cieľa.
- Key services
- Train ticket sales, Seat reservations, Travel schedules, Customer support, Baggage and animal transport, Special services for disabled passengers, International travel offers
- Content quality
- excellent
- Branding
- consistent
Technology
- Stack
- WordPress 6.8.3, Yoast SEO Premium, jQuery, React 18, Bot Framework Webchat, Complianz GDPR plugin, Mega Menu Pro, Pojo Accessibility plugin, Spinoco Webchat
- Frameworks
- WordPress, React
- Platforms
- Web
- Performance
- moderate
- Mobile
- good
- Accessibility
- good
- SEO
- excellent
Security
- Observed score
- 85/100
- Good practices seen
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Use of secure login portal
Analytics and tracking
- Services
- Google Analytics (via GTM), Exponea, Facebook Analytics
- Tracking level
- moderate
- Privacy practices
- good
Advertising
- Tracking pixels
- Facebook Pixel, Exponea
- Marketing tools
- Exponea, Facebook Pixel, Google Analytics (implied via GTM)
- Transparency
- good
Site quality
- Design
- excellent
- User experience
- excellent
- Content relevance
- excellent
- Navigation
- excellent
- Professionalism
- excellent
- Trustworthiness
- high
Key observations
- Website is professionally designed and well maintained
- Comprehensive cookie and privacy policies with consent mechanisms
- Multiple language support (Slovak and English)
- Extensive navigation menus covering all passenger needs
- Use of modern web technologies and accessibility features
- Secure login and ticket purchase portals
- No signs of phishing, malware, or suspicious content
- Active news and press release section with recent updates
Technical notes
Notes
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.
- MITRE CWE (opens in a new tab)4.20 (2026-04-30) · CWE Terms of Use (free use with attribution, © MITRE)
- OWASP Top 10:2025 (opens in a new tab)2025 (membership per CWE 4.20) · CC BY-SA 4.0
- MITRE CAPEC (opens in a new tab)3.9 (2023-01-24) · CAPEC Terms of Use (free use with attribution, © MITRE)
- OWASP ASVS (opens in a new tab)5.0.0 · CC BY-SA 4.0
- OWASP Web Security Testing Guide (opens in a new tab)latest (checklist.json, master) · CC BY-SA 4.0
- OWASP Secure Headers Project (opens in a new tab)2026-10-18 · Apache-2.0
- Mozilla Server Side TLS (intermediate) (opens in a new tab)6.0 · MPL-2.0
- NIST SP 800-53 Rev. 5 (OSCAL catalog) (opens in a new tab)5.2.0 · Public domain (US Government work)
- Directive (EU) 2022/2555 (NIS2) (opens in a new tab)OJ L 333, 27.12.2022 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
- Commission Implementing Regulation (EU) 2024/2690 (opens in a new tab)OJ L, 18.10.2024 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
- Regulation (EU) 2016/679 (GDPR) (opens in a new tab)OJ L 119, 4.5.2016 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
- Directive 2002/58/EC (ePrivacy), consolidated (opens in a new tab)19.12.2009 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
- RFC Editor metadata (opens in a new tab)per-RFC (obsolete RFCs rejected) · IETF Trust Legal Provisions (metadata only)
- NIST CSRC, W3C TR, IETF Datatracker, EDPB, EUR-Lex CELLAR and gesetze-bayern.de (opens in a new tab)per document · Titles and links only
- NIST NVD CVE API 2.0 (opens in a new tab)live records · Public domain (NVD); CVE® records © MITRE, free use
- W3C WCAG 2.2 (opens in a new tab)W3C Recommendation (wcag.json) · W3C Software and Document License
- ETSI EN 301 549 (opens in a new tab)V3.2.1 (2021-03), clause headings · Clause numbers and titles only (© ETSI)
- Directive (EU) 2019/882 (European Accessibility Act) (opens in a new tab)OJ L 151, 7.6.2019 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
- Directive (EU) 2016/2102 (Web Accessibility Directive) (opens in a new tab)OJ L 327, 2.12.2016 · EUR-Lex reuse under Commission Decision 2011/833/EU (© European Union)
Retrieved 2026-10-25
Earlier scans of this domain
- 64/100Medium34 findingsView report
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