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Security report for nejremeslnici.cz

NejŘemeslníci.cz · Other · Czech Republic

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

74/100

Risk levelMedium

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

NejŘemeslníci.cz is a Czech online platform that connects customers with professional craftsmen and service providers. It leverages customer reviews and ratings to help users find reliable suppliers for various construction and repair services. The platform also allows companies to register and build their reputation to attract more business. The website is well-designed, mobile-optimized, and provides a seamless user experience with clear navigation and interactive features such as search autocomplete and customer reviews carousel. Technically, it uses modern web technologies including Ruby on Rails, Tailwind CSS, Stimulus JS, and integrates Google Tag Manager and Crisp Chat for analytics and customer support. Security posture is strong with HTTPS enforced and appropriate security headers, though explicit security policies and incident response information are not published. Privacy compliance is good with a comprehensive privacy policy and cookie consent mechanism. However, the absence of WHOIS data reduces transparency and slightly impacts trustworthiness. Overall, the site is professional, trustworthy, and serves a medium-sized business in the Czech Republic focused on the craftsman service sector.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 100 · Low
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

3 findings rated critical or high. Fix these first.

  1. 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 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';…
  2. 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
    • High

      SSL Certificate Expires Soon

      SSL certificate expires in 7 days

      What to do: Renew SSL certificate before expiration

      • NIS2 21(2)(h)
      • IR 2024/2690 9.2(c): Implementing Regulation (EU) 2024/2690, Annex point 9.2(c): Cryptography
      • NIST SC-17: NIST SP 800-53 Rev. 5 SC-17: Public Key Infrastructure Certificates

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

Keep watching nejremeslnici.cz

This scan found 12 issues across 5 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
67
Security headers
70
Email security
100
DNS health
85
Network security
40
GDPR outside view
83
Average
74

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

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 nejremeslnici.cz, from OffSeq Breach.

Total records
2,050
Employees
0
Customers
2,050
Third parties
0
Weak passwords
30%

3 subdomains 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 nejremeslnici.cz.

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

Technical appendix

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

Business context

Business profile

The platform holds a strong market position in the Czech Republic as a leading referral and service matching site for craftsmen. Its business model revolves around facilitating service requests and enabling companies to gain visibility and credibility through customer feedback. Partnerships with well-known brands like Saint-Gobain and Kozel enhance its ecosystem. The target audience includes both end customers seeking reliable craftsmen and companies aiming to grow their business. The platform's growth is supported by a robust digital presence, including social media channels and a blog for inspiration. Revenue streams likely include company registrations and premium listings. The company has been operational since 2009, indicating maturity and market experience.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and multiple security headers implemented. Forms use CSRF tokens and secure input fields. Cookie consent is actively managed, supporting GDPR compliance. However, the lack of a published security policy, incident response plan, or vulnerability disclosure program indicates room for improvement in transparency and readiness. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of third-party scripts like Google Tag Manager and Crisp Chat is standard but requires ongoing monitoring for security risks. Overall, the security maturity is good but could be enhanced by publishing formal policies and contact points for security incidents.

Recommendations

  1. Publish a dedicated security policy and incident response information on the website.
  2. Implement a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide contact details for a Data Protection Officer or security contact to improve transparency.
  4. Regularly audit and update third-party scripts and dependencies to mitigate vulnerabilities.
  5. Enhance security headers with additional policies such as Content Security Policy (CSP) if not fully implemented.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
NejŘemeslníci.cz
Description
Najděte dobrého dodavatele díky referencím skutečných zákazníků. Jste firma? Vybudujte si dobré jméno a získávejte ty nejlepší zakázky.
Key services
Craftsmen search and matching, Customer reviews and ratings, Company registration and profile building, Request submission for services
Content quality
excellent
Branding
consistent

Technology

Stack
Ruby on Rails, Tailwind CSS, Stimulus JS, Flowbite, jQuery, Google Tag Manager, Crisp Chat
Frameworks
Ruby on Rails
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure login forms with CSRF tokens
  • Cookie consent mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Marketing tools
Crisp Chat
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and interactive features
  2. Strong focus on user experience and mobile optimization
  3. Comprehensive cookie consent and privacy mechanisms implemented
  4. No WHOIS data available, which is unusual and reduces transparency
  5. Multiple trusted partners and social media presence enhance credibility
  6. No explicit security or incident response policies published
  7. No vulnerability disclosure or security.txt found
  8. Use of modern web technologies and frameworks
  9. Secure HTTPS with proper security headers
Technical notes

Notes

The website is built on a modern Ruby on Rails framework with Tailwind CSS for styling and Stimulus JS for frontend interactivity. It uses Flowbite components and jQuery for UI enhancements. Google Tag Manager is integrated for analytics and marketing tracking, alongside Crisp Chat for customer support. The site is mobile-optimized with responsive design and accessibility considerations. Performance is moderate, likely due to rich content and multiple scripts, but overall user experience is smooth. No CMS detected, indicating a custom or bespoke platform. Hosting provider details are not disclosed. The technical stack is modern and well-maintained, supporting scalability and feature expansion.
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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