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Security report for mmreality.cz

M&M Reality · Real Estate · Czech Republic

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

62/100

Risk levelMedium

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

M&M Reality is a leading real estate agency in the Czech Republic, offering a comprehensive range of services including property sales, rentals, financing, insurance, and property development. With over 20 years of experience and a large network of branches, it holds a strong market position and is recognized as the most trusted real estate agency in the country. The website is professionally designed, mobile-optimized, and rich in content, providing a seamless user experience for its target audience of property buyers, sellers, and investors. Technically, the site leverages modern JavaScript frameworks like Vue.js and integrates Google Tag Manager and CookieHub for analytics and privacy compliance. Security posture is moderate with cookie consent implemented but lacks visible security headers in the provided data. The absence of WHOIS data limits domain trust analysis but the overall business credibility and online presence support legitimacy. Strategic recommendations include enhancing security headers, publishing incident response policies, and improving domain registration transparency.

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

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

      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

  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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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 mmreality.cz

This scan found 24 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
30
Email security
70
DNS health
80
Network security
100
GDPR outside view
25
Average
62

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 mmreality.cz, from OffSeq Breach.

Total records
217
Employees
17
Customers
64
Third parties
136
Weak passwords
17%

Latest record dated 2026-05-25 · 6 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 mmreality.cz.

Select it in the checkout above.

Masked preview

  • –webmail.mmreality.cz2026-05-25
  • –webmailold.mmreality.cz2026-05-21
  • –webmail.mmreality.cz2026-03-20
  • –mmreality.cz2026-01-13
  • –webmail.mmreality.cz2025-11-12

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Open in Breach(opens in a new tab)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

M&M Reality operates in the real estate sector with a business model centered on brokerage services, property financing, insurance, and auctions. Its competitive advantage lies in its extensive property listings, nationwide branch network, and strong brand recognition supported by multiple trust awards. The company targets both individual and corporate clients seeking real estate transactions in the Czech market. Growth indicators include a large volume of sold properties and a robust online platform. Partnerships with auction sites and media outlets enhance its market reach. The company maintains a professional online presence with clear contact channels and customer testimonials, reinforcing trust and customer engagement.

Security posture

The website demonstrates a moderate security maturity level with implementation of cookie consent and privacy policies aligned with GDPR. However, the lack of detected security headers such as Content-Security-Policy and X-Frame-Options suggests room for improvement. No explicit vulnerabilities or exposed sensitive data were identified in the content. Incident response and vulnerability disclosure mechanisms are not publicly visible, indicating potential gaps in security transparency. The absence of WHOIS data reduces domain trustworthiness. Overall, the security posture is adequate for business operations but would benefit from enhanced technical controls and published security policies to improve resilience and compliance.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
  2. Publish a clear security policy and incident response plan on the website to enhance transparency and preparedness.
  3. Establish a vulnerability disclosure program with a security.txt file to encourage responsible reporting of security issues.
  4. Ensure HTTPS enforcement with strong SSL/TLS configuration and regularly audit third-party scripts for vulnerabilities.
  5. Improve domain registration transparency by ensuring WHOIS data is publicly available or justified if privacy protection is used.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
M&M Reality
Description
M&M reality - oblíbená realitní kancelář, denně přes 12 000 nemovitostí v nabídce.
Key services
Property sales and purchases, Property rentals, Financing and mortgage services, Insurance, Property reconstruction and development, Cash purchase of properties, Auctions
Content quality
excellent
Branding
consistent

Technology

Stack
Vue.js, Google Tag Manager, CookieHub, FOSJsRouting
Frameworks
Vue.js
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
CookieHub
Transparency
good

Site quality

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

Key observations

  1. Website is a professional real estate agency portal in Czech language
  2. Content is rich with property listings, services, customer testimonials, and company info
  3. Strong branding and consistent design
  4. Cookie consent and privacy policy present and comprehensive
  5. No visible security headers detected in provided data
  6. WHOIS data unavailable, limiting domain trust analysis
  7. Multiple external trusted domains linked including social media and partner sites
  8. No adult or questionable content detected
  9. Modern JavaScript frameworks used (Vue.js)
  10. Google Tag Manager used for analytics and marketing
Technical notes

Notes

The website uses a modern front-end stack with Vue.js and asynchronous JavaScript loading for performance optimization. Google Tag Manager and CookieHub are integrated for analytics and cookie management, supporting privacy compliance. The site is mobile-optimized with responsive design and clear navigation. SEO is supported by proper meta tags and Open Graph data. However, no CMS or hosting provider information was detected. Performance is moderate, with potential for improvement in loading speed and accessibility features. The technical infrastructure supports a professional real estate platform but could benefit from enhanced security configurations and performance tuning.
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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