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Security report for zusmeeting.cz

Sensio.cz s.r.o. and Sensio.cz Školení 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

33/100

Risk levelHigh

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

The website www.zusmeeting.cz represents an educational event organizer focused on the ZUŠ Meeting, a networking and training event for directors and staff of basic art schools in the Czech and Slovak Republics. The organizing companies, Sensio.cz s.r.o. and Sensio.cz Školení s.r.o., also develop and operate related information systems for these schools. The website provides detailed event information, past event archives, and registration links, targeting a niche educational audience. Technically, the site uses modern web technologies including Google Fonts, Google Analytics, and Smartlook for session recording, with a cookie consent mechanism implemented to comply with privacy regulations. However, no explicit privacy policy or terms of service pages are present, which is a compliance gap. Security posture is decent with HTTPS and consent mode for analytics, but lacks security headers and vulnerability disclosure information. WHOIS data is unavailable, which reduces domain trustworthiness and raises concerns about domain registration transparency. Overall, the site is professional and content-rich but would benefit from improved privacy and security disclosures to enhance trust and compliance.

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. 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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  4. 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"

Need hands-on remediation? Email guard@offseq.com

Keep watching zusmeeting.cz

This scan found 23 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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Full report

€39.90one-time

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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
0
Security headers
15
Email security
60
DNS health
75
Network security
20
GDPR outside view
25
Average
33

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 business operates in the education sector with a focus on basic art schools, providing event organization, software solutions, and accredited training. Their market position is niche but well-established regionally, supported by partnerships with local authorities and schools. Revenue streams likely include event participation fees and software services. The target customers are school directors, teachers, and administrative staff. The company demonstrates a professional approach with consistent branding and quality content. The partnership ecosystem includes venue providers and local sponsors. Growth indicators include ongoing annual events and digital content archives. Strategic observations suggest a focus on community building and educational innovation within the Czech and Slovak markets.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and a cookie consent mechanism that defaults to denying tracking until user consent is given. Google Analytics is configured with consent mode, and Smartlook is used for session recording. However, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options is a notable gap. No vulnerability disclosure or incident response information is provided, and no security.txt file is found. The lack of WHOIS data reduces domain trust and may indicate registration issues. Overall, the security posture is adequate for the business type but could be improved by implementing recommended headers, publishing privacy and security policies, and enhancing transparency around data protection.

Recommendations

  1. Publish a comprehensive privacy policy page detailing data processing and GDPR compliance.
  2. Implement standard security headers (CSP, X-Frame-Options, X-Content-Type-Options) to enhance protection.
  3. Add terms of service and incident response contact information to improve transparency and trust.
  4. Create and publish a security.txt file to facilitate responsible vulnerability disclosure.
  5. Investigate and resolve the lack of WHOIS data to improve domain registration transparency and trust.

Contact details published on the site

Addresses
Legal name
Sensio.cz s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sensio.cz s.r.o. and Sensio.cz Školení s.r.o.
Description
Organizes the ZUŠ Meeting, an international networking and educational event for directors, teachers, and staff of basic art schools (ZUŠ) from Czech and Slovak Republics. The event focuses on sharing experiences, lectures, workshops, and relaxation in a non-commercial, accredited format.
Key services
Organization of ZUŠ Meeting events, Development and operation of information systems iZUŠ, EOS ZUŠ, Práce v ZUŠ, Accredited training and consulting in school legislation and management
Content quality
good
Branding
consistent

Technology

Stack
Google Fonts, Google Analytics (gtag.js), Smartlook session recording, JavaScript, CSS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • Consent mode for Google Analytics with default denial of tracking
  • Cookie consent banner with accept/deny options

Analytics and tracking

Services
Google Analytics, Smartlook
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Smartlook
Marketing tools
Smartlook
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 about the ZUŠ Meeting event.
  2. No WHOIS data available, which is unusual and reduces domain trust.
  3. Cookie consent and privacy mechanisms are partially implemented.
  4. No explicit privacy policy or terms of service pages found.
  5. Use of Google Analytics and Smartlook for analytics and session recording.
  6. No security.txt or vulnerability disclosure information present.
  7. No phone numbers found; only one company email contact provided.
  8. Website is focused on education and event organization in Czech Republic.
  9. No adult or questionable content detected.
  10. Good branding consistency and professional presentation.
Technical notes

Notes

The website uses a straightforward technology stack with HTML, CSS, JavaScript, Google Fonts, Google Analytics, and Smartlook for analytics and session recording. The site is mobile optimized with responsive design and clear navigation. Performance is moderate with no major issues detected. SEO is basic with meta description and keywords present but no advanced structured data or Open Graph tags. No CMS or hosting provider information is evident from the source. The site could benefit from enhanced accessibility features and improved SEO metadata. Technical debt appears low, but modernization opportunities include adding structured data and improving security headers.
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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