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Security report for reality-ceske-budejovice.cz

Český Internet s.r.o. · Real Estate · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

57/100

Risk levelMedium

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

Reality České Budějovice is a regional real estate listing platform operated by Český Internet s.r.o., focusing on properties for sale and rent in the České Budějovice district. The website aggregates listings from verified real estate agencies and private sellers, providing users with advanced search filters and broker catalogs. The platform targets individuals and businesses interested in real estate within this Czech region, positioning itself as a trusted local resource since 2008. Technically, the website employs a modern technology stack including jQuery, Vue.js, Google Analytics, and Facebook SDK, ensuring a responsive and user-friendly experience. It incorporates cookie consent mechanisms and privacy policies aligned with GDPR requirements. However, the absence of WHOIS registration data and lack of certain security headers indicate areas for improvement in transparency and security. From a security perspective, the site enforces HTTPS and uses consent-based tracking, but lacks explicit security policies, incident response contacts, and vulnerability disclosure information. No critical vulnerabilities were detected in the visible content, but the missing WHOIS data and limited security headers reduce overall trustworthiness. Overall, the website presents a professional and functional real estate portal with good content quality and user experience. Strategic enhancements in domain registration transparency, security headers, and compliance documentation would strengthen its security posture and business credibility.

Scanned

NIS2 and GDPR posture

GDPR outside view
10/ 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

9 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. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  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 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 reality-ceske-budejovice.cz

This scan found 26 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
62
Security headers
35
Email security
60
DNS health
75
Network security
100
GDPR outside view
10
Average
57

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 reality-ceske-budejovice.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for reality-ceske-budejovice.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 business operates as an important entity in the real estate sector, focusing on the Czech regional market. Its competitive advantage lies in aggregating verified listings and providing comprehensive broker and agency catalogs. Revenue likely derives from advertising, listing fees, and partnerships with real estate agencies. The target customers are local buyers, renters, and real estate professionals. Growth indicators include a large number of listings and active brokers. The partnership ecosystem includes realitniservery.cz and Český Internet s.r.o., which supports hosting and privacy compliance. The company maintains a consistent brand and professional content, supporting a strong market presence in the region.

Security posture

The current security maturity is moderate. HTTPS is enforced, and cookie consent is implemented, reflecting compliance with privacy regulations. However, the absence of security headers such as Content-Security-Policy and X-Frame-Options, and lack of incident response or vulnerability disclosure information, indicate gaps in security best practices. No exposed sensitive data or vulnerable libraries were detected. The missing WHOIS data is a concern for domain legitimacy. The site would benefit from enhanced security policies, regular third-party script audits, and publishing a security.txt file to improve incident response readiness and transparency.

Recommendations

  1. Implement standard security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
  2. Publish clear terms of service and incident response contact information to improve transparency and user trust.
  3. Conduct regular security audits of third-party scripts and dependencies to prevent vulnerabilities.
  4. Enhance accessibility features to meet compliance standards and improve user experience for all visitors.
  5. Consider creating and publishing a security.txt file to facilitate vulnerability reporting and improve security culture.

Contact details published on the site

Addresses
Legal name
Český Internet s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Český Internet s.r.o.
Description
Realitní inzerce pro okres České Budějovice. Nemovitosti na prodej či k pronájmu, prověřené RK i nabídky bez realitky.
Key services
Real estate listings for sale and rent, Broker and agency catalogs, Advanced property search filters
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Google Analytics, Google Tag Manager, Facebook SDK, Vue.js 3.2.37, Multiple Select plugin, Lazy loading images, Flatpickr date picker
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Twitter Analytics, Facebook Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Adsense, CI.cz advertising network
Tracking pixels
Facebook Pixel, Twitter Universal Website Tag
Marketing tools
AppConsent cookie consent
Transparency
good

Site quality

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

Key observations

  1. Website is a regional real estate listing portal for České Budějovice area.
  2. Content is rich with property listings, broker catalogs, and articles.
  3. Uses modern web technologies and tracking tools.
  4. Includes privacy and cookie policies with consent mechanisms.
  5. WHOIS data is missing, which is a concern for domain legitimacy.
  6. No visible security headers detected in HTML source.
  7. No terms of service or explicit security policy pages found.
  8. Contact information is present but limited to company address and email.
  9. No phone numbers or social media links explicitly found.
  10. No vulnerability disclosure or incident response information available.
Technical notes

Notes

The website uses a combination of modern JavaScript libraries and frameworks such as jQuery and Vue.js, along with Google Analytics and Facebook SDK for tracking and marketing. It employs lazy loading for images and multiple select UI components for enhanced user interaction. The site is mobile optimized with responsive design and includes SEO-friendly meta tags and Open Graph data. Performance is moderate, with room for improvement in loading speed and accessibility. No CMS was detected, suggesting a custom or proprietary platform. Hosting provider details are not disclosed. Technical debt appears low, but security header implementation and WHOIS transparency are areas for modernization.
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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