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Security report for slovanka.net

Bukajunaj · Hospitality · Czech Republic

Medium risk. 10 critical or high findings in Security headers, GDPR outside view and 3 other checks.

Security score

50/100

Risk levelMedium

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

Půjčovna lodiček Slovanka is a small, local boat rental service operating in the historic center of Prague, Czech Republic. The business offers a variety of boats and pedal boats for rent, catering to tourists, families, couples, and business meetings. The website provides detailed descriptions of services and highlights scenic views of Prague landmarks from the Vltava river. The company has an established online presence since 2011 and maintains social media profiles on Facebook and Instagram. Technically, the website uses basic HTML, CSS, and JavaScript with an older jQuery version and Lightbox for image galleries. There is no evidence of a modern CMS or advanced frameworks. The site lacks HTTPS enforcement information and security headers, which indicates potential security weaknesses. The website is moderately optimized for performance and mobile devices but lacks accessibility and SEO best practices. From a security perspective, the site does not provide privacy or cookie policies, nor does it have an incident response or vulnerability disclosure mechanism. The WHOIS data is consistent and trustworthy, showing a domain age appropriate for the business history. However, the presence of hidden spammy links and suspicious hidden text unrelated to the business raises concerns about site integrity. Overall, the website is functional and provides relevant business information but requires improvements in security, privacy compliance, and technical modernization to enhance trust and user experience.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 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

10 findings rated critical or high. Fix these first.

  1. 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';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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 Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

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

Keep watching slovanka.net

This scan found 21 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.

Daily monitoring

Recommended

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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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Full report

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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
20
Email security
80
DNS health
85
Network security
20
GDPR outside view
35
Average
50

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

The business operates in the hospitality sector, specifically boat rentals in Prague, targeting tourists and local visitors seeking recreational activities on the Vltava river. Its competitive advantage lies in its long-standing tradition since 2011 and unique offerings such as night rides with lanterns. The business model is service-based, generating revenue from hourly boat rentals and refreshments. The company maintains a modest digital footprint with basic website presence and social media engagement. There is no evidence of partnerships or subsidiaries. Growth opportunities include enhancing online presence, improving security and compliance, and expanding marketing efforts.

Security posture

The current security posture is basic and lacks several critical elements. The absence of HTTPS enforcement and security headers exposes users to potential risks. No privacy or cookie policies are present, indicating non-compliance with GDPR and related regulations. The website contains hidden spammy links and suspicious hidden text, which could be exploited or harm reputation. There is no incident response or vulnerability disclosure information, limiting the ability to handle security incidents effectively. Overall, the security maturity is low, and immediate improvements are recommended to protect user data and enhance trust.

Recommendations

  1. Implement HTTPS with a valid SSL certificate and enforce secure connections site-wide.
  2. Add comprehensive privacy and cookie policies to comply with GDPR and inform users.
  3. Remove hidden spammy links and suspicious hidden text to improve site integrity and trust.
  4. Deploy security headers such as Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options.
  5. Establish an incident response plan and publish vulnerability disclosure information to enhance security readiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Bukajunaj
Description
Půjčovna lodiček Slovanka is a boat rental service located on Slovanský ostrov in Prague, offering various types of boats and pedal boats for rent, including traditional rowboats, pedal boats, motorboats, and unique night rides with lanterns. It targets couples, families, friends, and business meetings, providing a pleasant experience on the Vltava river with views of Prague landmarks.
Key services
Boat rentals (rowboats, pedal boats, motorboats), Refreshments, Night boat rides with lanterns
Content quality
good
Branding
moderate

Technology

Stack
HTML, CSS, JavaScript, jQuery 1.7.2, Lightbox JS
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
40/100

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Marketing tools
Monetag
Transparency
poor

Site quality

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

Key observations

  1. Website is a small local boat rental service in Prague.
  2. No privacy or cookie policies found, indicating compliance gaps.
  3. No HTTPS or security headers information available; potential security weaknesses.
  4. Presence of hidden spammy links and suspicious hidden text unrelated to business.
  5. Basic technical implementation with legacy jQuery version.
  6. Social media presence on Facebook and Instagram.
  7. No forms detected on the main page; no direct data collection observed.
  8. No structured data (JSON-LD or Open Graph) found in HTML.
  9. Website content is in Czech language.
  10. Domain is stable and consistent with business claims.
Technical notes

Notes

The website is built using basic web technologies including HTML, CSS, and JavaScript with jQuery 1.7.2 and Lightbox for image galleries. There is no detected CMS or modern web framework. The site uses multiple CSS files targeting different browsers, indicating legacy support. Performance is moderate with no explicit optimization techniques observed. Mobile optimization is basic, and accessibility features are minimal. SEO is basic with meta tags present but no structured data or Open Graph tags. The hosting provider is not explicitly identified beyond the domain registrar. Technical debt is evident due to outdated libraries and lack of modern security practices.
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

Earlier scans of this domain

  1. 50/100Medium30 findingsView report
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