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Security report for gymtce.cz

Gymnázium Teplice · Education · Czech Republic

Partial score · DNS & email only

75/100

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

Gymnázium Teplice is a secondary grammar school based in the Czech Republic, providing comprehensive secondary education with a focus on preparing students for higher education. The institution actively participates in European educational programs such as Erasmus+ and offers Cambridge Exam preparation, positioning itself as a reputable educational provider in the Ústecký kraj region. The website reflects a medium-sized educational institution with consistent branding and a good level of content quality. Technically, the website employs common JavaScript libraries including jQuery, jQuery UI, Hammer.js, and integrates Facebook SDK for social media functionality. The site is built on the eSchool.cz CMS platform, with moderate performance and basic mobile optimization. SEO and accessibility features are present but could be enhanced for better compliance and user experience. From a security perspective, the site uses HTTPS but lacks visible security headers and explicit privacy or cookie policies, indicating room for improvement in security best practices and privacy compliance. The absence of WHOIS data raises minor concerns about domain registration transparency, though the active content and partner affiliations support the site's legitimacy. Overall, the website is professional and trustworthy for its educational purpose but would benefit from enhanced privacy disclosures, security headers, and improved mobile and accessibility features to strengthen its digital maturity and compliance posture.

Scanned

3 of 7 checks could not complete. The site may be unreachable or blocking automated scans, so the results below cover only what could be checked. Try a rescan later.

NIS2 and GDPR posture

NIS2 outside view
Not assessed
GDPR outside view
Not assessed

Both readouts depend on the site's pages, which could not be loaded in this scan.

Priority findings

1 finding rated critical or high. Fix these first.

  1. 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 gymtce.cz

This scan found 14 issues across 4 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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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
Email security
70
DNS health
75
Network security
100
Average
77
After the cap
75

Not counted

  • Security headers: did not complete in this scan.
  • GDPR outside view: did not complete in this scan.
  • 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

Gymnázium Teplice operates as a public educational institution serving secondary school students primarily in the Czech Republic. Its market position is solid within the regional education sector, supported by partnerships with governmental and EU programs. The school leverages EU funding and participates in international programs like Erasmus+, enhancing its educational offerings and reputation. Revenue streams are likely public funding and grants. The target audience includes students, parents, educators, and regional stakeholders. The institution maintains a broad partnership ecosystem with local government, educational foundations, and corporate sponsors, which supports its operational and developmental activities. The website content and external links reflect a well-established institution with a focus on academic excellence and community engagement.

Security posture

The website demonstrates a basic to moderate security posture. HTTPS is used, ensuring encrypted communications. However, the absence of key security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security reduces protection against common web attacks. No exposed sensitive data or vulnerable libraries were detected in the HTML content. The site lacks explicit privacy and cookie policies, which is a compliance gap under GDPR. Incident response and security policy information are not present, indicating limited transparency in security governance. The use of third-party scripts like Facebook SDK introduces potential privacy considerations. Overall, the security maturity is adequate for a public educational website but requires enhancements to meet modern security and privacy standards.

Recommendations

  1. Implement comprehensive privacy and cookie policies with user consent mechanisms to ensure GDPR compliance.
  2. Add essential security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Strict-Transport-Security) to enhance protection against web vulnerabilities.
  3. Improve mobile responsiveness and accessibility features to provide a better user experience across devices and for users with disabilities.
  4. Conduct regular security audits of third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Increase transparency by publishing security policies and incident response contacts to build trust with users.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Gymnázium Teplice
Description
Gymnázium Teplice is an educational institution (secondary grammar school) located in the Czech Republic, providing general secondary education with a focus on preparing students for university studies. The school participates in various projects and programs such as Erasmus+, Cambridge Exam preparation, and other regional and international educational initiatives.
Key services
Secondary education, Preparation for Cambridge Exams, Participation in Erasmus+ and other EU educational projects, Extracurricular activities and competitions
Content quality
good
Branding
consistent

Technology

Stack
jQuery, jQuery UI, Hammer.js, Lightbox, Facebook SDK
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
60/100
Good practices seen
  • Use of HTTPS (implied by URL)
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Tracking pixels
Facebook SDK
Marketing tools
Facebook SDK
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, indicating privacy or registration issues.
  3. No explicit privacy or cookie policies found, indicating compliance gaps.
  4. Multiple external links to reputable educational and governmental domains.
  5. Use of common JavaScript libraries and Facebook SDK for social integration.
  6. No visible contact emails or phone numbers explicitly labeled as company contacts.
  7. No security headers detected in provided data; security posture could be improved.
  8. Content is educational and safe for general audiences.
  9. No WAF or blocking mechanisms detected.
Technical notes

Notes

The website is built on the eSchool.cz CMS platform and utilizes a traditional web technology stack including jQuery, jQuery UI, Hammer.js, and Lightbox for UI interactions and media display. Facebook SDK is integrated for social media features. The site uses multiple CSS stylesheets for layout and theming. Performance is moderate with no explicit optimization indicators. The site has basic mobile optimization but could improve responsiveness. SEO is basic with meta tags present but no advanced structured data or Open Graph tags detected. Accessibility features are minimal, with some form labels and ARIA attributes not evident. The technical infrastructure is stable but would benefit from modernization efforts including enhanced SEO, accessibility, and security configurations.
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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