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Security report for krimicka.cz

Základní škola, Praha 10, Křimická 314 · Education · Czech Republic

High risk. 10 critical or high findings in GDPR outside view, Network security and 2 other checks.

Security score

44/100

Risk levelHigh

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

Základní škola, Praha 10, Křimická 314 is a Czech primary school focused on extended language education, offering English from first grade and German from sixth grade. The school provides various facilities including computer labs, a library, sports facilities, and a modern training kitchen. It actively participates in language and sports competitions and maintains partnerships with institutions abroad. The website serves as a communication platform for students, parents, and staff, featuring blogs, event calendars, and document archives. Technically, the site uses a modern tech stack with popular JavaScript libraries and CSS frameworks, built on the Vitalex CMS platform. Security posture is moderate with HTTPS and cookie consent implemented, but lacks advanced security headers and explicit security policies. The absence of WHOIS data reduces domain trust but the website content and contact details indicate a legitimate educational institution. Overall, the site is well-designed, mobile-optimized, and provides relevant content for its audience.

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. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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 krimicka.cz

This scan found 25 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.

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  • 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
Security headers
20
Email security
70
DNS health
85
Network security
0
GDPR outside view
25
Average
44

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 · found on this site
  • 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 krimicka.cz, from OffSeq Breach.

Total records
80
Employees
0
Customers
80
Third parties
0
Weak passwords
4%

1 subdomain affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for krimicka.cz.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

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

Business context

Business profile

The school operates as a public educational institution serving the local community in Prague 10. Its competitive advantage lies in its language-focused curriculum and active extracurricular programs. The business model is non-commercial, funded likely by public sources and supported by a parent club. The website supports community engagement and transparency through published documents and event information. Partnerships with local and international organizations enhance its educational offerings. Growth indicators include active blog updates and event scheduling. The school maintains a trustworthy online presence with clear contact information and certifications.

Security posture

The website demonstrates a basic to moderate security maturity level. HTTPS is used, and a cookie consent mechanism is present, indicating awareness of privacy regulations. However, the site lacks visible security headers such as Content Security Policy, HSTS, and X-Frame-Options, which are recommended to mitigate common web attacks. No explicit incident response or vulnerability disclosure information is provided. The use of multiple third-party libraries necessitates regular updates to avoid vulnerabilities. Overall, the security posture is adequate for a public informational site but could be improved to enhance protection and compliance.

Recommendations

  1. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options.
  2. Publish explicit security and incident response policies to improve transparency and readiness.
  3. Regularly update all third-party libraries and frameworks to their latest secure versions.
  4. Enhance accessibility features to meet higher compliance standards.
  5. Consider adding a dedicated privacy policy page with GDPR compliance details.

Contact details published on the site

Addresses
Legal name
Základní škola, Praha 10, Křimická 314
Registration number
63831589
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Základní škola, Praha 10, Křimická 314
Description
Základní škola se školním vzdělávacím programem zaměřeným na rozšířenou výuku jazyků, nabízí výuku anglického a německého jazyka, sportovní a jazykové soutěže, zájmové kroužky, školní družinu a spolupráci s Klubem rodičů.
Key services
primary education, language instruction, extracurricular activities, school events and projects
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap 4.6, Slick Slider, TinyMCE, AlertifyJS, FontAwesome, Google Fonts, jQuery UI, Fancybox, Bootstrap Datepicker, Popper.js, js-cookie, Moment.js
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • HTTPS usage assumed (site uses https URL)
  • Cookie consent mechanism implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a school site for Základní škola, Praha 10, Křimická 314.
  2. Content is in Czech language and well-structured with multiple sections and blog posts.
  3. No WHOIS data available, possibly due to registry privacy or query failure.
  4. Site uses multiple modern JS libraries and CSS frameworks.
  5. Cookie consent banner is present and functional.
  6. Contact information is clearly displayed in footer with emails and phone numbers.
  7. No explicit privacy policy page found but accessibility statement exists.
  8. No visible security.txt or vulnerability disclosure page.
  9. No signs of adult or questionable content.
  10. No WAF or blocking detected; site fully accessible.
Technical notes

Notes

The website uses a well-established technology stack including jQuery, Bootstrap 4.6, Slick Slider, TinyMCE, and other popular libraries. It is built on the Vitalex CMS platform, which is specialized for school websites. The site is mobile-optimized and uses Google Fonts and FontAwesome for consistent styling. Performance is moderate, with multiple external resources loaded from CDNs. The site structure is clear with good navigation and content organization. Opportunities exist to modernize by adopting newer frameworks and improving SEO and accessibility compliance. Technical risks include potential vulnerabilities from outdated libraries and missing 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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