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Security report for webarchiv.cz

National Library of the CR · Government · Czech Republic

Medium risk. 7 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

62/100

Risk levelMedium

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

Webarchiv.cz is a Czech national web archive operated by the National Library of the Czech Republic, dedicated to collecting and preserving Czech web content for long-term access. The website serves as a digital museum of Czech web heritage, targeting researchers, cultural institutions, and the general public interested in Czech digital history. It offers thematic collections and access to archived websites, positioning itself as an authoritative government/non-profit archival service with a medium organizational size and a founding date in 2003. Technically, the website employs a traditional tech stack including jQuery, Bootstrap, and the Nette framework, with integrations for Google Analytics and Sentry error tracking. The site is mobile-optimized with a moderate performance profile but uses outdated JavaScript libraries that may pose security risks. SEO and accessibility are basic but functional. From a security perspective, the site enforces HTTPS and uses cookie consent mechanisms compliant with GDPR principles. However, it lacks explicit security headers and published security or incident response policies. The use of outdated libraries and absence of vulnerability disclosure mechanisms represent areas for improvement. No critical security issues or WAF blocking were detected. Overall, the website is trustworthy and professionally maintained, with a strong business credibility score. Recommendations include updating JavaScript libraries, implementing security headers, publishing privacy and security policies, and enhancing accessibility and SEO features to improve compliance and security posture.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
40/ 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

7 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. 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 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 webarchiv.cz

This scan found 24 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

Email alerts on material changes and an exportable JSON history of every change.

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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
30
Email security
60
DNS health
75
Network security
100
GDPR outside view
40
Average
62

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 webarchiv.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for webarchiv.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Webarchiv.cz operates as a government-affiliated non-profit archival service under the National Library of the Czech Republic. Its market position is unique and authoritative within the Czech Republic, focusing on digital preservation of web content. The business model is service-oriented, funded likely through government or institutional budgets, with no commercial advertising or affiliate programs. The target audience includes cultural institutions, researchers, and the general public interested in Czech web heritage. The partnership ecosystem includes the National Library and related cultural organizations. Growth indicators include a large volume of archived data (648 TB) and thousands of contracted publishers. Strategic observations highlight the importance of maintaining digital preservation standards and expanding access capabilities.

Security posture

The security maturity of webarchiv.cz is moderate. HTTPS is enforced, and cookie consent is implemented, reflecting GDPR awareness. However, the presence of outdated JavaScript libraries (jQuery 1.11.1) introduces potential vulnerabilities. The absence of explicit security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options reduces the defense-in-depth posture. No published security or incident response policies limit transparency and preparedness. The use of Sentry for error tracking is a positive indicator of proactive monitoring. Overall, while no critical vulnerabilities or breaches are evident, improvements in library updates, security headers, and policy publication are recommended to enhance security maturity and compliance.

Recommendations

  1. Update all JavaScript libraries, especially jQuery, to current secure versions to mitigate known vulnerabilities.
  2. Implement and enforce HTTP security headers including CSP, HSTS, X-Content-Type-Options, and X-Frame-Options.
  3. Publish a comprehensive privacy policy and terms of service to improve transparency and GDPR compliance.
  4. Develop and publish a security policy and incident response plan, including contact channels for security issues.
  5. Enhance accessibility and SEO features to improve user experience and discoverability.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
National Library of the CR
Description
Webarchiv is a digital archive tasked with collecting, archiving, and ensuring long-term access to Czech web resources. It serves as a museum of Czech web content, preserving cultural and historical web data.
Key services
Web archiving, Long-term digital preservation, Providing access to archived Czech websites, Thematic collections (e.g., Czech beer culture)
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.11.1, jQuery UI 1.11.2, Bootstrap 4 (CSS and JS), Nette AJAX framework, Google Analytics, Raven.js (Sentry error tracking)
Frameworks
Nette
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
65/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with express consent
  • Use of Sentry for error tracking

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Sentry (Raven.js)
Transparency
basic

Site quality

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

Key observations

  1. Website is an official Czech web archive operated by the National Library of the Czech Republic.
  2. Content is accessible but search functionality is currently disabled due to a temporary error.
  3. Cookie consent mechanism is implemented with express consent and preference management.
  4. No explicit privacy policy or terms of service found on the main page.
  5. Use of outdated JavaScript libraries may pose security risks.
  6. No visible contact emails or phone numbers on the main page; contact form is linked.
  7. No explicit security or incident response policies published.
  8. Website uses HTTPS and includes Google Analytics and Sentry for tracking and error monitoring.
  9. No advertising or affiliate programs detected.
  10. Design and navigation are professional and consistent with institutional branding.
Technical notes

Notes

The website uses a traditional but somewhat outdated technology stack including jQuery 1.11.1 and Bootstrap for responsive design, along with the Nette PHP framework for backend AJAX functionality. Google Analytics and Sentry are integrated for analytics and error monitoring. The site is mobile-optimized and uses HTTPS, but performance is moderate rather than fast. The HTML structure is valid with proper meta tags for Open Graph and social sharing. However, the use of older JavaScript libraries and lack of modern security headers indicate technical debt and potential security risks. There is no detected CMS, suggesting a custom or framework-based implementation. Hosting details are limited but registrar and nameserver data are consistent with Czech hosting providers.
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. 61/100Medium34 findingsView report
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