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Security report for postaonline.cz

Česká pošta · Transportation · Czech Republic

Low risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

78/100

Risk levelLow

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

Česká pošta operates www.postaonline.cz as its official online portal providing a wide range of postal and eGovernment services to the Czech public and businesses. The website offers tools such as parcel tracking, branch locator, online shipment ordering, and digital document services, positioning itself as a comprehensive digital extension of the national postal operator. The site targets both individual consumers and corporate clients, reflecting its role as a critical infrastructure service provider in the transportation sector. Technically, the website is built on the Liferay Portal CMS platform, utilizing common JavaScript libraries like jQuery and SlickNav for UI enhancements. The site demonstrates good mobile optimization and accessibility features, with a moderate performance profile. Security is enforced via HTTPS with cookie consent mechanisms in place, though some advanced security headers are not visibly implemented. The absence of WHOIS data is noted but likely due to CZ domain registry policies rather than suspicious activity. From a security perspective, the site shows a mature posture with no visible vulnerabilities or exposed sensitive data. Privacy compliance is evident through GDPR-aligned policies and cookie consent banners. However, the site could improve by publishing explicit security policies, incident response contacts, and adopting security.txt for vulnerability disclosures. Overall, the risk profile is low given the nature of the business and the professionalism of the site. Strategically, the website serves as a critical digital touchpoint for the Czech postal service, supporting national logistics and eGovernment initiatives. Continued investment in security best practices and transparency will enhance trust and resilience against emerging threats.

Scanned

This is an earlier scan of postaonline.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
55/ 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

3 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. 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 postaonline.cz

This scan found 17 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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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
77
Security headers
75
Email security
70
DNS health
90
Network security
100
GDPR outside view
55
Average
78

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

Česká pošta is the national postal operator in the Czech Republic, operating an enterprise-scale business focused on transportation and logistics. The www.postaonline.cz portal supports both B2C and B2B customer segments by providing digital services that complement traditional postal operations. The business model integrates physical mail and parcel delivery with digital services such as eGovernment data boxes and online document submission. Revenue streams likely include postal fees, digital service subscriptions, and partnerships with financial and logistics companies. The company leverages partnerships with banks (ČSOB), parcel services (Balíkovna), and government portals to extend its service ecosystem. The website's clear navigation, comprehensive service offerings, and official branding reinforce its market leadership and trustworthiness in the Czech postal sector.

Security posture

The website enforces HTTPS and employs cookie consent mechanisms aligned with GDPR requirements, indicating a solid baseline for security and privacy. No security headers such as Content-Security-Policy or X-Frame-Options were detected in the HTML source, suggesting room for improvement in defense-in-depth. No exposed sensitive data or vulnerable libraries were identified. The absence of a published security policy or incident response contact limits transparency for security researchers and users. The site does not appear to have a security.txt file or vulnerability disclosure program. Overall, the security posture is good but could be enhanced by adopting additional security headers, publishing security policies, and enabling formal vulnerability reporting channels.

Recommendations

  1. Implement and enforce security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to mitigate common web attacks.
  2. Publish a clear security policy and incident response contact information on the website to improve transparency and trust.
  3. Create and maintain a security.txt file to facilitate responsible vulnerability disclosure.
  4. Regularly audit third-party libraries and scripts to ensure no vulnerable components are in use.
  5. Enhance monitoring and logging capabilities to detect and respond to security incidents promptly.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Česká pošta
Description
Webové stránky PoštaOnline nabízí online služby České pošty, včetně užitečných online nástrojů.
Key services
Sledování zásilek, Vyhledávání poboček, Objednávka na pobočku, Změna doručení online, Podání Online, Dopis Online, eSIPO, Prodej poštovního zboží, Datová schránka, Poštovní datová zpráva
Content quality
good
Branding
consistent

Technology

Stack
jQuery, SlickNav, Cycle2, Liferay Portal, AUI (Alloy UI)
Frameworks
Liferay Portal
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism with SameSite=Lax
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Google Tag Manager (implied by dataLayer usage)
Transparency
basic

Site quality

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

Key observations

  1. Official website of Czech national postal service
  2. Comprehensive online postal and eGovernment services
  3. Good user interface and navigation
  4. Cookie consent and privacy policies present
  5. No visible security headers detected in HTML source
  6. No WHOIS data available from CZ.NIC WHOIS server
  7. No exposed sensitive information or vulnerabilities detected
  8. No adult or questionable content
  9. Multiple external links to trusted partner domains
Technical notes

Notes

The website is built on the Liferay Portal CMS platform, leveraging JavaScript libraries such as jQuery, SlickNav, and Cycle2 for UI and navigation functionality. The site uses a combination of CSS and JavaScript minification and combo loading to optimize resource delivery. Mobile optimization is good, with responsive menus and layouts. Performance is moderate, with some room for improvement in load times and resource caching. The site uses HTTPS exclusively, ensuring encrypted communications. No hosting provider details were identified from the HTML content. The technical stack is modern and appropriate for an enterprise government service portal, though some technical debt may exist in the form of missing security headers and potential legacy scripts.
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. 78/100Low26 findingsView report
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