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Security report for golf18.cz

Coinmate s.r.o · Finance · Czech Republic

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

71/100

Risk levelMedium

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

Coinmate s.r.o operates a leading Czech cryptocurrency exchange platform focused on serving European customers, particularly those trading in euros and Czech koruna. Established in 2013, the company offers a range of services including quick buy options, automated recurring purchases, a professional trading platform integrated with TradingView, and API access for trading bots. The platform emphasizes security, regulatory compliance, and customer trust, supported by local financial institutions and advanced custody infrastructure. Technically, the website is built on modern Angular framework with integrations for analytics, marketing, and cookie consent, hosted behind Cloudflare for performance and security. Security posture is strong with HTTPS, 2FA, and separation of client funds, though explicit security policies and vulnerability disclosures could be improved. Overall, Coinmate presents a professional, trustworthy, and technically mature platform with a solid market position in the European crypto exchange sector.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 100 · Medium
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

4 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 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  3. 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 golf18.cz

This scan found 21 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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Recommended

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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
75
Security headers
30
Email security
80
DNS health
75
Network security
100
GDPR outside view
68
Average
71

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 golf18.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for golf18.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

Coinmate holds a unique market position by offering cryptocurrency markets against both EUR and CZK, a rare feature globally. Their business model centers on providing accessible crypto trading for both beginners and advanced users, with low fees and strong local regulatory adherence. The company targets European retail investors and traders, leveraging partnerships with financial institutions and media presence to build trust. Revenue streams likely include trading fees, recurring buy subscriptions, and API usage. The presence of affiliate programs and marketing tools indicates active customer acquisition strategies. The company’s decade-long operation and local presence in Prague and Bratislava reinforce its credibility and growth potential.

Security posture

The security maturity of Coinmate is high, with key strengths including HTTPS enforcement, two-factor authentication, advanced custody solutions, and segregation of client funds from operating expenses. The use of reputable Czech financial institutions adds an additional layer of trust. However, the absence of a publicly available detailed security policy, incident response plan, and vulnerability disclosure program limits transparency. No critical vulnerabilities or exposed sensitive data were detected in the website content. The platform uses modern security best practices but could enhance its security culture by publishing more explicit documentation and security contact channels.

Recommendations

  1. Publish a detailed security policy and incident response plan on the website to enhance transparency.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Ensure all recommended security headers (CSP, X-Frame-Options, X-Content-Type-Options) are explicitly set and documented.
  4. Regularly audit third-party scripts and dependencies to mitigate supply chain risks.
  5. Enhance customer trust by showcasing any certifications or compliance attestations obtained.

Contact details published on the site

Addresses
Legal name
Coinmate s.r.o
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Coinmate s.r.o
Description
We're the biggest Czech crypto exchange. Our fees are fair and customers trust us since 2014. You can buy or sell cryptocurrencies with us safely and easily.
Key services
Cryptocurrency trading, Quick Buy, Automated recurring buy (DCA), Trading platform with charts and indicators, API access for trading bots
Content quality
good
Branding
consistent

Technology

Stack
Angular 19, Google Tag Manager, Cookiebot, Survicate, Microsoft Clarity, Sendinblue, TradingView charting library
Frameworks
Angular
Platforms
Web
Performance
fast
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Two-factor authentication supported
  • Separated client funds and operating expenses
  • Use of advanced custody infrastructure
  • Use of reputable Czech financial institutions
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Tag Manager, Microsoft Clarity, Survicate
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Microsoft Clarity, Survicate, Sendinblue
Marketing tools
Sendinblue, Survicate
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well maintained
  2. Clear focus on European cryptocurrency market with EUR and CZK trading pairs
  3. Strong emphasis on security and customer trust
  4. Use of multiple analytics and marketing tools with cookie consent
  5. No signs of malicious or suspicious activity
  6. WHOIS data supports legitimacy and long-term operation
Technical notes

Notes

The website is built using Angular 19, leveraging modern web technologies and third-party integrations such as TradingView for charting, Google Tag Manager, Microsoft Clarity, Survicate for surveys, and Sendinblue for marketing automation. Hosting and DNS are managed via Cloudflare, providing CDN and security benefits. The site is mobile-optimized with responsive design and good accessibility features. Performance is fast with efficient loading of assets and fonts. SEO is well addressed with proper meta tags, Open Graph, and structured data. Technical risks are minimal, but continuous monitoring of third-party scripts and dependencies is advised to avoid vulnerabilities.
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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