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Security report for acceler.cz

Acceler s.r.o. · Technology · Czech Republic

High risk. 7 critical or high findings in GDPR outside view, Network security and 2 other checks.

Security score

49/100

Risk levelHigh

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

Acceler s.r.o. is a Czech-based digital agency specializing in custom website and e-shop development, online marketing, and consulting services primarily targeting small and medium-sized enterprises. Established in 2012, the company positions itself as a trusted partner helping businesses acquire customers and expand production through quality digital solutions. The website reflects a professional and consistent brand image with clear service offerings and client testimonials, supporting its market credibility. Technically, the website employs a mix of established JavaScript libraries such as jQuery, tracking and analytics tools including Google Analytics, Facebook Pixel, and Smartlook, and uses cookie consent mechanisms to comply with GDPR. The site is mobile-optimized with good SEO practices, though some improvements in accessibility and security headers could enhance its technical maturity. From a security perspective, the site enforces HTTPS and uses consent-based cookie management, but lacks visible advanced security headers and explicit public security policies or incident response contacts. No critical vulnerabilities or suspicious patterns were detected. The WHOIS data aligns well with the business claims, reinforcing legitimacy. Overall, Acceler.cz presents a solid digital presence with good business credibility and privacy compliance. Strategic enhancements in security policies, header implementation, and incident response transparency would further strengthen its security posture and trustworthiness.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 100 · High
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

7 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

      Third-party services without privacy policy

      Detected services: Google Analytics, Facebook, Google Ads

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

  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 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 acceler.cz

This scan found 18 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
95
Security headers
65
Email security
70
DNS health
85
Network security
0
GDPR outside view
40
Average
59
After the cap
49

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 acceler.cz, from OffSeq Breach.

Total records
1
Employees
0
Customers
1
Third parties
0
Weak passwords
100%

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 acceler.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

Acceler operates in the technology sector as a service provider focusing on web and e-commerce development and digital marketing. Its competitive advantage lies in tailored solutions and local market knowledge, supported by client references and testimonials. The business model is service-oriented with revenue streams from project development and marketing campaign management. Target customers are SMEs in the Czech Republic seeking digital transformation and customer acquisition. Growth indicators include a decade-long domain age and active marketing integrations. The company ecosystem includes partnerships with advertising platforms like Google Ads and Sklik, but no identified subsidiaries or parent companies.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and cookie consent implemented, reflecting GDPR awareness. However, the absence of key security headers (e.g., CSP, HSTS) and lack of publicly available security or incident response policies indicate room for improvement. Form inputs have basic validation but no advanced anti-bot measures. No exposed sensitive data or vulnerable libraries were detected. Compliance gaps include missing explicit incident response contacts and vulnerability disclosure mechanisms. Overall, the security culture appears functional but could benefit from formalized policies and enhanced technical controls.

Recommendations

  1. Implement comprehensive HTTP security headers including Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-XSS-Protection.
  2. Publish clear security and incident response policies on the website, including dedicated contact channels for security issues.
  3. Enhance form security by adding CAPTCHA or other anti-bot protections to prevent spam and abuse.
  4. Regularly audit and update third-party libraries and scripts to mitigate potential vulnerabilities.
  5. Increase transparency around data retention policies and provide more detailed privacy compliance information.

Contact details published on the site

Addresses
Legal name
Acceler s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Acceler s.r.o.
Description
Pomáháme firmám získat zákazníky prostřednictvím kvalitních webů, vyhledávání na Googlu a Seznamu. Podniky díky nám rozšiřují výrobu. Stavíme weby a e-shopy na míru, spravujeme reklamní kampaně.
Key services
Web development, E-shop creation, Online marketing, Consulting
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.10.2, Google Analytics, Google Tag Manager, Facebook Pixel, Smartlook, Fancybox, BxSlider
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • Form input validation (basic)

Analytics and tracking

Services
Google Analytics, Smartlook
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads, Sklik
Tracking pixels
Facebook Pixel, Smartlook
Marketing tools
Google Adwords, Sklik
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 business-focused, targeting Czech SMEs for web and e-shop development.
  3. Good use of cookie consent and privacy policy indicating GDPR awareness.
  4. Multiple tracking and marketing tools integrated, with user consent mechanisms.
  5. Contact information is clearly presented with professional details.
  6. No explicit security policies or incident response info publicly available.
  7. WHOIS data supports legitimacy and domain age matches business claims.
Technical notes

Notes

The website uses a traditional tech stack centered on jQuery and several third-party marketing and analytics scripts. While functional and moderately optimized for mobile and SEO, the site lacks modern frameworks or CMS indications, suggesting a custom or lightweight solution. Performance is moderate, with asynchronous loading of analytics scripts improving responsiveness. Accessibility features are basic, and there is an opportunity to modernize the tech stack to improve maintainability and security. Hosting provider details are not disclosed, limiting infrastructure assessment.
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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