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Security report for adresarskol.cz

AMOS KamPoMaturite.cz, s.r.o. · Education · Czech Republic

High risk. 10 critical or high findings in GDPR outside view, Email security and 3 other checks.

Security score

43/100

Risk levelHigh

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

AdresářŠkol.cz is a well-established Czech educational directory portal operated by AMOS KamPoMaturite.cz, s.r.o. It provides comprehensive listings of various types of schools across the Czech Republic, including universities, secondary schools, language schools, and vocational institutions. The site also offers educational articles, news, and preparation resources for students. The business targets students, parents, and educators seeking detailed educational information and study support. The portal integrates advertising and promotional partnerships with related educational projects, enhancing its market position as a key educational resource in the region. Technically, the website uses a custom CMS developed by ANAWEb and incorporates common web technologies such as jQuery 1.9.1, Slippry slider, and Fancybox for UI components. It employs Google Fonts and Google Tag Manager for analytics and tracking, along with regional retargeting services. The site is moderately optimized for mobile devices and SEO, with a clear navigation structure and good content quality. However, the use of an outdated jQuery version and absence of visible HTTP security headers suggest areas for technical improvement. From a security perspective, the site implements a comprehensive cookie consent mechanism aligned with GDPR requirements and provides a privacy policy. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. The lack of WHOIS data limits domain trust assessment, but the professional presentation, clear contact information, and partner affiliations support the site's legitimacy. Advertising practices are standard for educational portals, with no suspicious or malicious elements identified. Overall, AdresářŠkol.cz presents a trustworthy and valuable educational resource with solid content and user experience. Strategic improvements in security headers, technology updates, and domain registration transparency would further enhance its security posture and trustworthiness.

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

  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 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 adresarskol.cz

This scan found 27 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
62
Security headers
15
Email security
60
DNS health
75
Network security
20
GDPR outside view
25
Average
43

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

AdresářŠkol.cz operates as an important player in the Czech educational sector, offering a broad directory of schools and related educational content. Its business model leverages advertising and partnerships with complementary educational platforms, creating a network effect that strengthens its market presence. The company targets a wide audience including students, parents, and educational professionals, providing valuable resources for study preparation and school selection. The presence of multiple partner domains indicates a collaborative ecosystem that supports cross-promotion and content sharing. Growth indicators include regular content updates, active social media engagement, and integration of preparatory courses. The company maintains a medium-sized operation with a focus on education, supported by a professional website and clear contact channels.

Security posture

The website demonstrates a moderate security maturity level. It uses HTTPS (implied by external scripts loaded over HTTPS) and has implemented a detailed cookie consent mechanism with granular user options, supporting GDPR compliance. However, the absence of visible HTTP security headers such as Content Security Policy (CSP), X-Frame-Options, and HSTS reduces its defense-in-depth posture. The use of an outdated jQuery version (1.9.1) may expose the site to known vulnerabilities if not properly mitigated. No exposed sensitive data or obvious vulnerabilities were found in the HTML content. Incident response and security policy information are not publicly available, indicating potential gaps in transparency. Overall, the site is secure enough for its informational purpose but would benefit from enhanced security controls and updated libraries.

Recommendations

  1. Implement HTTP security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to strengthen browser security.
  2. Upgrade jQuery and other JavaScript libraries to the latest secure versions to mitigate known vulnerabilities.
  3. Conduct regular security audits and vulnerability scans to proactively identify and remediate risks.
  4. Publish a dedicated security policy and incident response contact information to improve transparency and trust.
  5. Ensure WHOIS domain registration data is complete and publicly accessible to enhance domain legitimacy and trust.

Contact details published on the site

Addresses
Legal name
AMOS KamPoMaturite.cz, s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
AMOS KamPoMaturite.cz, s.r.o.
Description
AdresářŠkol.cz is a comprehensive directory of schools in the Czech Republic, including universities, secondary schools, language schools, and more. It provides detailed listings, articles, and resources related to education and study preparation.
Key services
School directory listings, Educational articles and news, Preparation courses and study materials, Advertising and promotional services for educational institutions
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.9.1, Slippry slider, Fancybox, Google Fonts (Ubuntu), Google Tag Manager, Seznam retargeting script
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
65/100
Good practices seen
  • Cookie consent banner with granular options
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Ad networks
OpenX (OA_show), Seminarky.cz ad network
Tracking pixels
Seminarky.cz tracking pixels, Seznam retargeting
Marketing tools
Seznam retargeting
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and navigation.
  2. No WHOIS data available, limiting domain trust analysis.
  3. Comprehensive cookie consent mechanism implemented.
  4. Multiple external educational partner domains linked.
  5. Use of older jQuery version may pose security risks.
  6. No explicit security headers detected in HTML source.
  7. Contact information clearly provided in footer.
  8. No evidence of adult or inappropriate content.
  9. Advertising and tracking scripts present but standard for educational portals.
Technical notes

Notes

The website runs on a custom CMS developed by ANAWEb and uses a technology stack including jQuery 1.9.1, Slippry slider, and Fancybox for UI elements. Google Fonts and Google Tag Manager are integrated for typography and analytics respectively. The site loads multiple advertising scripts from Seminarky.cz and uses Seznam retargeting services. Performance is moderate with good mobile optimization and basic accessibility features. SEO is supported by appropriate meta tags and structured navigation. However, the use of an outdated jQuery version and lack of modern security headers indicate technical debt and potential security risks. Hosting provider details are not disclosed. Overall, the technical infrastructure supports the business needs but requires modernization and security enhancements.
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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