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Security report for developerske-projekty-ceske-budejovice.cz

PolyWeb s.r.o. · Real Estate · Czech Republic

High risk. 9 critical or high findings in GDPR outside view, Email security and 3 other checks.

Security score

47/100

Risk levelHigh

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

The website 'Developerské projekty České Budějovice' is a specialized real estate portal focused on presenting new development projects in the České Budějovice region. Operated by PolyWeb s.r.o., it offers detailed listings of apartments, family houses, and commercial projects, along with financing options and developer services. The platform targets prospective home buyers and investors seeking comprehensive market information locally. Technically, the site uses a modern frontend stack including Bootstrap, jQuery, and Leaflet for maps, running on the Realitní správce CMS, hosted likely by Wedos. The site is mobile-optimized and SEO-friendly, with a cookie consent mechanism in place. Security posture is adequate with HTTPS enforced, but lacks advanced security headers and published security policies. No privacy policy page was found, which is a compliance gap. Overall, the domain registration data aligns well with the business age and legitimacy. The site is safe, professional, and trustworthy for its intended audience.

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

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 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 developerske-projekty-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
72
Security headers
30
Email security
60
DNS health
75
Network security
20
GDPR outside view
25
Average
47

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

Technical appendix

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

Business context

Business profile

PolyWeb s.r.o. operates a niche real estate listing platform serving the České Budějovice market, focusing on new developments. The business model revolves around aggregating and promoting developer projects, facilitating financing, and providing related services. The company leverages partnerships with CMS providers and real estate portals to enhance offerings. Market positioning is local and specialized, targeting home buyers and investors. The website content and structure indicate a small-sized company with a stable presence since 2012. The platform's competitive advantage lies in its comprehensive local project listings and financing facilitation. Growth potential exists through expanded developer partnerships and enhanced digital marketing. The partnership ecosystem includes CMS and real estate portals, supporting operational efficiency.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enabled and no visible exposure of sensitive data. However, it lacks implementation of key security headers such as Content-Security-Policy and Strict-Transport-Security, which could improve protection against common web attacks. There is no published security policy or incident response contact, limiting transparency and readiness for security incidents. The cookie consent mechanism indicates some GDPR awareness, but absence of a privacy policy page is a compliance gap. No vulnerabilities or malicious indicators were detected in the content. Overall, the security posture is adequate for a small real estate portal but could benefit from enhanced policies and technical controls.

Recommendations

  1. Publish a comprehensive privacy policy page to improve GDPR compliance and user trust.
  2. Implement essential security headers (CSP, HSTS, X-Content-Type-Options, X-Frame-Options) to strengthen web security.
  3. Create and publish a security policy and incident response contact information to enhance transparency and preparedness.
  4. Enhance accessibility features to meet broader compliance and usability standards.
  5. Regularly audit third-party scripts and libraries to ensure no vulnerabilities are introduced.

Contact details published on the site

Addresses
Legal name
PolyWeb s.r.o.
VAT number
CZ28136187
Registration number
28136187
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
PolyWeb s.r.o.
Description
The website provides a comprehensive presentation of real estate development projects in České Budějovice and surrounding areas, focusing on new apartments and family houses. It offers detailed information about available projects, financing options, and developer services.
Key services
Listing of new development projects, Financing assistance, Developer services, Contact facilitation
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, jQuery 3.5.1, Bootstrap 4.5.2, Bootstrap-select 1.13.18, Font Awesome, Venobox, Fancybox 3.5.7, Leaflet 1.9.3
Platforms
Realitní správce CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

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

Analytics and tracking

Services
Google Analytics (via Google Tag Manager)
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is focused on real estate development projects in České Budějovice.
  3. No privacy policy page found, but cookie policy and consent mechanism are present.
  4. Contact information is clearly provided in footer with phone, email, and physical address.
  5. No explicit security or incident response policies published.
  6. Uses modern frontend libraries and a specialized CMS for real estate.
  7. SEO and mobile optimization are adequate.
  8. No suspicious or malicious content detected.
  9. No social media links explicitly found in the HTML content.
Technical notes

Notes

The website uses a modern and well-supported technology stack including Bootstrap 4.5.2, jQuery 3.5.1, Font Awesome, Venobox, Fancybox, and Leaflet for interactive maps. It runs on the Realitní správce CMS platform, which is specialized for real estate listings. Hosting and domain registration are managed by Wedos, a reputable Czech provider. The site is mobile responsive and SEO optimized with proper meta tags and canonical URLs. Performance is moderate, with potential improvements in loading speed by optimizing images and scripts. The site lacks advanced accessibility features but provides a clear navigation structure. No critical technical debt or risks were identified, though security header implementation is recommended. Overall, the technical infrastructure supports the business needs effectively.
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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