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Security report for coloseumreality.cz

COLOSEUM NEMOVITOSTI s.r.o. · Real Estate · Czech Republic

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

Security score

63/100

Risk levelMedium

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

COLOSEUM NEMOVITOSTI s.r.o. is a prominent real estate agency operating primarily in the Moravia region of the Czech Republic. Established since 2007, it offers a wide range of real estate services including sales, rentals, and property valuation. The company positions itself as a leading player in the regional market with a large client base and a professional team of certified agents. The website reflects a mature digital presence with comprehensive content, customer testimonials, and active social media engagement. Technically, the site employs modern web technologies such as Bootstrap, jQuery, and Owl Carousel, ensuring a responsive and user-friendly experience. Security posture is adequate with HTTPS and cookie consent mechanisms in place, though additional security headers could enhance protection. The absence of WHOIS data limits domain trust verification, but the overall business credibility and professionalism mitigate concerns. Strategic recommendations include enhancing security headers, publishing explicit security policies, and maintaining up-to-date third-party libraries to strengthen security and compliance.

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

  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 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';…

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

Keep watching coloseumreality.cz

This scan found 22 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
20
Email security
65
DNS health
85
Network security
100
GDPR outside view
40
Average
63

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 coloseumreality.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for coloseumreality.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

The company operates in the real estate brokerage sector, targeting clients seeking property transactions in Moravia. Its competitive advantages include a large pool of prospective buyers, professional certifications, and membership in the Czech Chamber of Commerce. The business model focuses on comprehensive real estate services, supported by strong marketing and client trust signals such as insurance-backed escrow services and numerous positive client references. The website's content and structure support lead generation and client engagement effectively. Growth indicators include active social media presence and frequent updates on successful transactions. Partnerships with realman.cz and presence on firmy.cz enhance credibility and reach.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and cookie consent implemented, aligning with GDPR requirements. However, the lack of advanced security headers such as Content-Security-Policy and X-Frame-Options represents an area for improvement. No visible vulnerabilities or exposed sensitive data were detected. The contact forms include validation, reducing risk of injection attacks. Incident response and security policy information are absent, which could impact preparedness and transparency. Overall, the security posture is sufficient for the business type but could benefit from enhanced controls and documented policies.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  2. Publish a dedicated security policy and incident response contact information on the website.
  3. Regularly update and audit third-party libraries and plugins to mitigate vulnerabilities.
  4. Enhance accessibility features to improve compliance and user experience.
  5. Maintain transparent privacy and cookie policies with clear data retention disclosures.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
COLOSEUM NEMOVITOSTI s.r.o.
Description
Realitní kancelář COLOSEUM NEMOVITOSTI patří k největším realitním kancelářím na Moravě. Počtem prodávaných nemovitostí a kvalitou služeb se řadí mezi absolutní špičku. Disponuje více jak 10-ti letými zkušenostmi v oblasti prodeje a pronájmu všech druhů realit – rodinných domů, bytů, chat, chalup, pozemků, zahrad, rekreačních, komerčních a dalších nemovitostí.
Key services
property sales, property rentals, property valuation, professional real estate brokerage
Content quality
excellent
Branding
consistent

Technology

Stack
Bootstrap 4.0.0, jQuery 2.1.3, FontAwesome 5.9.0, Google Fonts (Roboto, Open Sans), Fancybox 3.5.7, Owl Carousel 2.3.4
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • cookie consent mechanism implemented
  • contact forms with validation

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Tracking pixels
TOPlist
Marketing tools
Facebook Page Plugin, Instagram link
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content and multimedia.
  2. Strong presence of customer testimonials and agent profiles.
  3. Comprehensive cookie and privacy policy with consent mechanism.
  4. No WHOIS data available, limiting domain trust verification.
  5. Use of modern web technologies and responsive design.
  6. No signs of malware or phishing detected.
  7. Contact information clearly presented with multiple channels.
  8. No explicit security policy or incident response info found.
Technical notes

Notes

The website uses a stable and widely adopted technology stack including Bootstrap 4, jQuery 2.1.3, FontAwesome, and Owl Carousel for UI components and interactivity. Google Fonts are used for typography. The site is mobile responsive and includes multimedia content such as videos and image galleries. Performance is moderate, with potential optimization in image loading and script deferral. No CMS is explicitly detected, suggesting a custom or proprietary platform. Hosting provider details are not disclosed. SEO is supported by appropriate meta tags and Open Graph data. Accessibility is basic but could be improved with ARIA roles and better keyboard navigation support.
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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