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Security report for mcdonalds.cz

McDonald's Česká republika · Retail · Czech Republic

Low risk. 4 critical or high findings in GDPR outside view and SSL/TLS.

Security score

78/100

Risk levelLow

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

McDonald's Česká republika operates a comprehensive and professionally designed website serving as the official portal for the brand in the Czech Republic. The site offers detailed information about their menu, promotions, McCafé products, Happy Meal offerings, and delivery services. It targets a broad general audience including families and fast food consumers, positioning itself as a leading quick service restaurant in the region. The business model focuses on retail food services supported by digital engagement through a mobile app and online coupons. Technically, the website employs modern web technologies including Google Tag Manager, Google Analytics, and Cloudflare Insights for performance and analytics. The site is well optimized for mobile devices, features fast loading times, and includes accessibility considerations. The presence of a cookie consent mechanism and privacy policy indicates a mature approach to privacy compliance. From a security perspective, the site enforces HTTPS and uses secure forms with CSRF tokens. While explicit security headers are not fully confirmed in the HTML, the overall posture is strong with no visible vulnerabilities or exposed sensitive data. The absence of WHOIS data is attributed to privacy protection policies common in the region and does not detract from the site's legitimacy. Overall, the website presents a low-risk profile with strong business credibility, good technical implementation, and solid privacy compliance. Strategic recommendations include publishing explicit security policies and vulnerability disclosure information to further enhance trust and transparency.

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

4 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, 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

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Keep watching mcdonalds.cz

This scan found 14 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
75
Security headers
85
Email security
85
DNS health
85
Network security
100
GDPR outside view
40
Average
78

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 mcdonalds.cz, from OffSeq Breach.

Total records
236
Employees
0
Customers
236
Third parties
0
Weak passwords
6%

5 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 mcdonalds.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

McDonald's Czech Republic holds a strong market position as a leading fast food chain, leveraging the global McDonald's brand. Their business model is centered on quick service food retail with additional revenue streams from delivery and mobile app engagement. The company targets a wide demographic including families and young adults. Partnerships with local job portals and advertising agencies support operational and marketing efforts. Growth indicators include active promotion campaigns and digital coupon offerings. The website reflects a well-established brand with consistent messaging and professional content.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, secure form handling, and cookie consent mechanisms. No critical vulnerabilities or exposed sensitive data were detected. However, explicit security headers like Content-Security-Policy and X-Frame-Options are not clearly visible and should be confirmed. There is no public incident response or vulnerability disclosure information, which could be improved to enhance security readiness and transparency. Compliance with GDPR is evident through privacy policies and consent banners.

Recommendations

  1. Publish a detailed security policy and incident response contact information on the website.
  2. Implement and explicitly declare security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Establish a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Enhance transparency by providing clear data retention policies related to analytics and user data.
  5. Continue monitoring and updating cookie consent mechanisms to align with evolving privacy regulations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
McDonald's Česká republika
Description
Skvělé jídlo, skvělé místo. Dej si u nás klasiky jako Big Mac, kávu v McCafé nebo sezónní speciality. I’m lovin’ it!
Key services
Food menu, McCafé coffee products, Happy Meal, McDelivery, Mobile app with coupons
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Google Analytics, Cloudflare Insights
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

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

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Cloudflare Insights
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads
Tracking pixels
Cloudflare Insights
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 no blocking
  2. Strong branding consistent with McDonald's global identity
  3. Comprehensive cookie consent and privacy policy in Czech language
  4. Multiple social media channels linked with official McDonald's accounts
  5. Use of modern web technologies and analytics tools
  6. No visible security or privacy red flags in content or scripts
  7. WHOIS data unavailable, likely due to registry privacy policies
Technical notes

Notes

The website uses a modern tech stack with JavaScript frameworks and integrates Google Tag Manager and Analytics for tracking. Hosting appears to be via Cloudflare, providing performance and security benefits. The site is mobile-optimized with responsive design and accessibility features. Performance is fast with efficient resource loading. There is no detected CMS, suggesting a custom or proprietary platform. Technical debt appears low, but explicit documentation of security headers and policies would strengthen the technical posture.
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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