Skip to main content

Security report for gcskupina.cz

GIENGER spol. s r.o. · Energy · Czech Republic

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

65/100

Risk levelMedium

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

GC SKUPINA is a strong European trading group focused on wholesale activities in the Technical Building Equipment (TZB) sector. The company operates multiple subsidiaries and brands across the Czech and Slovak Republics, offering products and services in heating, sanitation, installation, and related fields. Their business model includes wholesale distribution, e-commerce platforms, and physical retail centers, supported by bonus programs and mobile applications for customer convenience. The website reflects a professional and consistent brand image with clear navigation and relevant content targeting B2B customers. Technically, the website is built on WordPress with modern plugins such as Yoast SEO and Slider Revolution, ensuring good SEO and user experience. The site is mobile-optimized and uses HTTPS with Google Analytics for tracking. Cookie consent and GDPR compliance are well implemented, indicating attention to privacy regulations. However, some security headers are not explicitly detected, and no security.txt or incident response information is published. Security posture is generally good with HTTPS enforced and no visible vulnerabilities or exposed sensitive data. The lack of WHOIS data reduces domain trustworthiness, suggesting possible privacy protection or registration issues. Overall, the site is functional, professional, and compliant with privacy standards but could improve security header implementation and transparency on incident response. Strategic recommendations include enhancing security headers, publishing a security.txt file, verifying domain registration details, and maintaining regular updates of CMS and plugins to mitigate vulnerabilities.

Scanned

This is an earlier scan of gcskupina.cz. View the latest report

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

6 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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics, YouTube, Cloudflare

      What to do: Document all third-party data sharing in your privacy policy

  2. 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';…

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

Keep watching gcskupina.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.

Billed monthly to your card. Cancel anytime. See sample alerts.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
45
Email security
75
DNS health
80
Network security
100
GDPR outside view
25
Average
65

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

GC SKUPINA holds a strong market position as a wholesale distributor in the TZB sector, serving both Czech and Slovak markets through multiple subsidiaries. Their competitive advantage lies in a diversified product portfolio, extensive logistics and retail infrastructure, and digital tools like e-shops and mobile apps. Revenue streams likely include wholesale sales, retail sales via e-shops, and value-added services such as bonus programs. The target customer segments are professional installers, retailers, and contractors in the building and energy sectors. The company demonstrates growth through digital presence and multiple brands, supported by a network of logistics centers and express warehouses. Partnerships with specialized brands like COSMO, CONEL, and BROETJE enhance their product offering. The business ecosystem is complex, with clear segmentation by country and product lines, indicating strategic market coverage and operational efficiency.

Security posture

The website exhibits a mature security posture with mandatory HTTPS and cookie consent mechanisms in place. No critical vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options suggests room for improvement. There is no publicly available incident response or vulnerability disclosure information, which could hinder rapid response to security incidents. GDPR compliance is well addressed through privacy and cookie policies. The security culture appears adequate but could be enhanced by publishing security policies and incident contacts. Regular updates of WordPress and plugins are essential to maintain security. Overall, the security posture is good but not exemplary, with recommendations to strengthen header policies and transparency.

Recommendations

  1. Implement and enforce security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a security.txt file to facilitate vulnerability reporting and incident response.
  3. Verify and publicly confirm domain registration details to improve trustworthiness.
  4. Maintain regular updates of WordPress core, themes, and plugins to mitigate vulnerabilities.
  5. Enhance transparency by providing explicit security policies and incident response contact information.

Contact details published on the site

Addresses
Legal name
GIENGER spol. s r.o.
VAT number
CZ44018045
Registration number
C 3321 Vedená u krajského soudu v Brně
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
GIENGER spol. s r.o.
Description
GC SKUPINA je silnou evropskou obchodní skupinou, jejíž obchodní aktivity jsou zaměřeny na velkoobchodní činnost v oboru TZB.
Key services
Wholesale distribution in TZB (Technical Building Equipment), E-shops for customers, Bonus programs, Mobile applications for branch location, Bathroom studios and centers
Content quality
good
Branding
consistent

Technology

Stack
WordPress 6.5.3, Yoast SEO plugin, Slider Revolution 6.6.19, jQuery 3.7.1, Google Analytics (gtag.js), Complianz GDPR plugin
Platforms
WordPress
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data detected in HTML

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Yoast SEO, Complianz GDPR
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, which is unusual and may indicate privacy protection or registration issues.
  3. Strong presence of GDPR cookie consent and privacy policy.
  4. Multiple subsidiary and partner domains linked, indicating a complex business structure.
  5. Use of modern WordPress CMS with SEO and marketing plugins.
  6. No explicit security.txt or incident response contact found.
  7. No terms of service page detected.
  8. No explicit certifications or security frameworks mentioned.
Technical notes

Notes

The website is built on a modern WordPress CMS platform, utilizing popular plugins such as Yoast SEO for search optimization and Slider Revolution for interactive content. The presence of Google Analytics indicates active user behavior tracking. The site loads moderate external resources including CDN-hosted libraries like jQuery and FontAwesome. Mobile optimization is good with responsive design and mobile menus. Accessibility features are basic but present, including skip links and ARIA labels. Performance is moderate, with some heavy slider and image content. The technical stack is standard for corporate websites, with opportunities to improve performance and security headers. Hosting provider details are not explicitly found. Overall, the technical infrastructure supports business needs effectively with room for modernization and security hardening.
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

Earlier scans of this domain

  1. 65/100Medium33 findingsView report
Reviews of this site

Share your experience with gcskupina.cz. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review gcskupina.cz.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.