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Security report for claczech.cz

CLA Czech Republic · Finance · Czech Republic

Medium risk. 5 critical or high findings in GDPR outside view and SSL/TLS.

Security score

75/100

Risk levelMedium

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

CLA Czech Republic is a professional services firm providing integrated consulting services including audit, tax advisory, financial and payroll accounting, legal consulting, corporate finance, and IT support. The company positions itself as a reliable partner for successful businesses on an international level, supported by its affiliation with the CLA Global network. The website reflects a mature digital presence with a professional design, multilingual support, and comprehensive service descriptions. Technically, the site is built on WordPress with modern SEO and analytics tools, ensuring good performance and accessibility. Security measures include HTTPS, Google reCAPTCHA, and GDPR-compliant cookie consent, though some security headers could be enhanced. Overall, the website demonstrates a strong security posture with no evident vulnerabilities or exposed sensitive data. The absence of WHOIS data limits domain registration insights, but the professional presentation and network affiliation support legitimacy. Strategic recommendations include improving security headers, maintaining updated software, and publishing explicit security policies 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

5 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, Facebook, LinkedIn, YouTube

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

  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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching claczech.cz

This scan found 16 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
65
Security headers
90
Email security
85
DNS health
85
Network security
100
GDPR outside view
25
Average
75

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

CLA Czech Republic operates in the finance and consulting sector, targeting businesses requiring integrated advisory services. Its business model revolves around delivering specialized professional services across multiple domains such as audit, tax, legal, and IT. The company leverages its membership in the CLA Global network to enhance market reach and credibility. With over 300 employees and 3 offices, it serves a substantial client base exceeding 1,000 clients. The website content and structure indicate a focus on quality service delivery, client trust, and continuous professional development. The firm’s digital presence supports its market positioning as a medium-sized, reputable consulting entity in the Czech Republic with international connections.

Security posture

The website employs HTTPS with a valid SSL configuration, uses Google reCAPTCHA to protect forms, and implements a GDPR-compliant cookie consent mechanism. However, explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options are not evident, which could be improved to mitigate risks like clickjacking and MIME sniffing. No exposed sensitive data or vulnerable libraries were detected in the HTML content. The site uses well-known third-party scripts and plugins, which should be regularly updated to prevent vulnerabilities. Incident response and security policy information are not publicly available, suggesting an area for enhancement. Overall, the security posture is solid but could benefit from additional hardening and transparency.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Regularly update WordPress core, themes, and plugins to mitigate vulnerabilities.
  3. Ensure all images and resources load correctly to avoid frontend errors.
  4. Publish a clear security policy and incident response contact information on the website.
  5. Maintain and enhance GDPR compliance with transparent data retention and processing disclosures.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CLA Czech Republic
Description
Jsme spolehlivými partnery úspěšných společností, kterým na mezinárodní úrovni poskytujeme integrované poradenské služby.
Key services
Audit, Daňové poradenství, Finanční účetnictví, Mzdové účetnictví, Právní poradenství, Oceňování/Převodní ceny, Corporate Finance, Transakční poradenství, IT podpora a technologie, Digital Services
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Tag Manager, Google reCAPTCHA, jQuery, jQuery UI
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA implemented on forms
  • Cookie consent mechanism with GDPR compliance

Analytics and tracking

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

Advertising

Marketing tools
Yoast SEO
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges
  2. Content is professionally presented in Czech with English alternate
  3. Strong focus on integrated consulting and financial services
  4. Good implementation of GDPR and cookie consent
  5. No exposed sensitive data or security issues detected
  6. WHOIS data unavailable, possibly due to privacy protection or registry limitations
Technical notes

Notes

The website is built on WordPress CMS, utilizing Yoast SEO for search optimization and Google Tag Manager for analytics and tracking. It incorporates Google reCAPTCHA for form security and jQuery libraries for UI interactions. The site is mobile-optimized with responsive design and accessibility features such as skip links and ARIA labels. Performance is moderate with some lazy loading images showing error classes, which may affect user experience. The technical stack is modern and widely supported, but there is room for improvement in security header implementation and resource loading reliability.
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. 75/100Medium25 findingsView report
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