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Security report for dius.cz

Diagnostický ústav a základní škola Praha 2, Lublaňská 33, státní příspěvková organizace · Education · Czech Republic

Medium risk. 10 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

59/100

Risk levelMedium

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

The website represents a Czech state-funded educational and diagnostic institution specializing in care for children and youth with behavioral disorders. It provides institutional and protective education services and preventive activities. The organization targets children, their parents, and educational professionals. The website content is primarily informational, describing the institution's mission, locations, and recent activities. The market position is that of a public sector entity with a medium organizational size. Technically, the website uses an older technology stack including jQuery 1.9.1 and fancybox 2.1.5, managed via the ANAWEb CMS platform. The site is moderately optimized for performance and mobile use but lacks advanced accessibility and SEO features. No modern analytics or tracking tools are detected, indicating minimal user tracking. From a security perspective, the site uses HTTPS but lacks visible security headers and uses outdated JavaScript libraries, which may expose it to vulnerabilities. Privacy compliance is partial, with a privacy policy page present but no cookie consent mechanism. WHOIS data is unavailable, which reduces trustworthiness but the website content and contact details support legitimacy. Overall, the site is functional and serves its informational purpose but would benefit from modernization of its technical stack, improved security practices, and enhanced privacy compliance to better protect users and increase trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 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

10 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. 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 dius.cz

This scan found 22 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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Full report

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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
62
Security headers
15
Email security
65
DNS health
85
Network security
100
GDPR outside view
25
Average
59

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

The institution operates in the education sector as a state-funded organization providing specialized diagnostic and educational services for children with behavioral challenges. Its business model is non-commercial, focusing on public service. The organization maintains partnerships with sponsors and provides detailed contact and location information, indicating transparency and community engagement. The website content suggests a stable presence in its niche with a focus on social and educational impact rather than revenue generation. Growth indicators are not explicit, but the merger planned for 2025 indicates organizational development. The lack of social media presence and marketing tools suggests limited digital marketing efforts.

Security posture

The security maturity level is basic to moderate. The site uses HTTPS, which is mandatory, but lacks important security headers such as Content Security Policy, X-Frame-Options, and HSTS. The use of outdated jQuery 1.9.1 is a notable vulnerability risk. No incident response or security policy information is published, and no dedicated security contact channels are provided. GDPR compliance is partial, with a privacy policy but no cookie consent mechanism. No analytics or tracking scripts reduce privacy risks but also limit user behavior insights. Overall, the security posture requires improvements to meet modern standards and regulatory requirements.

Recommendations

  1. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options to enhance protection against common web attacks.
  2. Upgrade JavaScript libraries, especially jQuery, to the latest stable versions to mitigate known vulnerabilities.
  3. Introduce a cookie consent mechanism to comply with GDPR and improve user privacy transparency.
  4. Publish clear security and incident response policies, including dedicated contact channels for security issues.
  5. Enhance mobile responsiveness and accessibility to improve user experience and compliance with accessibility standards.

Contact details published on the site

Addresses
Legal name
Diagnostický ústav a základní škola Praha 2, Lublaňská 33, státní příspěvková organizace
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Diagnostický ústav a základní škola Praha 2, Lublaňská 33, státní příspěvková organizace
Description
Diagnostický ústav a základní škola Praha 2, Lublaňská 33, státní příspěvková organizace poskytuje odbornou péči dětem školou povinným a chlapcům ve věku od ukončení povinné školní docházky do 18 let, případně do 19 let věku. Jedná se o školské zařízení pro výkon ústavní nebo ochranné výchovy pro děti s poruchami chování v průběhu povinné školní docházky.
Key services
diagnostic and educational care for children with behavioral disorders, preventive and leisure activities, adiktological care, institutional and protective education
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.9.1, fancybox 2.1.5, custom JavaScript, CSS stylesheets
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
65/100
Good practices seen
  • HTTPS usage assumed (URL is https)
  • No exposed sensitive data in HTML
  • No vulnerable libraries detected explicitly

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
poor

Site quality

Design
basic
User experience
basic
Content relevance
good
Navigation
good
Professionalism
basic
Trustworthiness
moderate

Key observations

  1. Website is for a Czech state-funded educational and diagnostic institution.
  2. Content is in Czech language and focused on institutional information and activities.
  3. WHOIS data is unavailable, which is unusual for a .cz domain and may indicate privacy protection or domain registration issues.
  4. No privacy or cookie consent banners detected despite GDPR relevance.
  5. No visible security headers or advanced security policies published.
  6. Website uses older JavaScript libraries (jQuery 1.9.1) which may have vulnerabilities.
  7. No analytics or tracking scripts detected, indicating minimal user tracking.
  8. Contact information is comprehensive and includes multiple phone numbers, emails, and physical addresses.
  9. No social media links found.
  10. No advertising or marketing tools detected.
Technical notes

Notes

The website is built on the ANAWEb CMS platform and uses legacy JavaScript libraries such as jQuery 1.9.1 and fancybox 2.1.5. The HTML structure is valid but basic, with limited modern SEO and accessibility features. Performance is moderate, with no evident optimization for speed or mobile devices beyond basic viewport settings. The site lacks modern frameworks or platforms and does not use popular analytics or marketing tools. Technical debt is present due to outdated libraries and missing security headers. Opportunities exist to modernize the tech stack, improve performance, and enhance security configurations to reduce risks and improve user experience.
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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