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Security report for grandhotelpraha.cz

Grand Hotel Praha · Hospitality · Czech Republic

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

57/100

Risk levelMedium

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

Grand Hotel Praha is a historic 4-star hotel located in the heart of Prague's Old Town Square, offering a blend of history and modern comfort. The website presents a comprehensive overview of their accommodation options, including rooms, residences, dining at Café Mozart, special offers, concierge services, and event hosting. The business targets tourists and business travelers seeking premium lodging in Prague's city center. The site is professionally designed with consistent branding and clear navigation, supporting multiple languages and featuring integrated Google Maps and social media links. Technically, the website employs a modern tech stack including jQuery, Bootstrap, Google Analytics, and Google Maps API. It features cookie consent mechanisms compliant with GDPR and uses various marketing and retargeting tools. Performance is moderate with good mobile optimization. However, minor PHP notice errors and lack of explicit security headers indicate areas for improvement in security hardening. Security posture is adequate with HTTPS implied and no exposed sensitive data, but the absence of WHOIS data for the domain raises concerns about domain registration transparency. Cookie and privacy policies are present and comprehensive, supporting GDPR compliance. Overall, the site is trustworthy and professional but would benefit from enhanced security headers and domain registration clarity. Recommendations include fixing PHP errors, implementing security headers, verifying domain registration details, and continuous monitoring of third-party scripts to maintain security and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
73/ 100 · Medium
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

6 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 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

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching grandhotelpraha.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.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

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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
15
Email security
85
DNS health
85
Network security
20
GDPR outside view
73
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

Technical appendix

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

Business context

Business profile

Grand Hotel Praha holds a strong market position as a historic luxury hotel in Prague's Old Town, leveraging its unique location opposite the Astronomical Clock. The business model focuses on hospitality services including accommodation, dining, event hosting, and concierge services. Revenue streams likely include room bookings, dining, event rentals, and ancillary services such as transfers and parking. The target customer segments are international tourists and business travelers seeking premium experiences. The website indicates a partnership ecosystem with related properties like Café Mozart and other hospitality venues. Growth indicators include multilingual support, special offers, and active social media presence. Strategic observations suggest a focus on maintaining heritage appeal while offering modern amenities.

Security posture

The website demonstrates a moderate security maturity level with HTTPS usage and cookie consent mechanisms in place. However, the lack of visible security headers such as Content Security Policy, HSTS, and X-Frame-Options reduces its defense-in-depth posture. The presence of a PHP notice error in the HTML source could potentially leak information and should be addressed. No vulnerabilities such as exposed credentials or SQL injection are evident from the provided data. Compliance with GDPR is supported by comprehensive privacy and cookie policies. Incident response and security policy information are not publicly available, indicating a potential gap in transparency. Overall, the security posture is functional but could be improved by implementing recommended headers, fixing code errors, and publishing security policies.

Recommendations

  1. Implement HTTP security headers including Content Security Policy, HSTS, X-Frame-Options, and X-XSS-Protection.
  2. Fix PHP notice errors to prevent information leakage and improve code quality.
  3. Verify and publish domain WHOIS information to enhance trust and transparency.
  4. Regularly audit and update third-party scripts and libraries to mitigate vulnerabilities.
  5. Publish security policy and incident response contact information to improve security culture and compliance.

Contact details published on the site

Addresses
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Grand Hotel Praha
Description
Grand Hotel Praha is a 4 star hotel located in Prague Old Town Square offering rooms, residences, café, special offers, concierge services, and event hosting.
Key services
Hotel rooms, Residences (luxury apartments), Café Mozart dining and concerts, Special discount offers, Concierge services, Event hosting (weddings, conferences), Airport and station transfer, Parking services
Content quality
good
Branding
consistent

Technology

Stack
jQuery 2.1.3, jQuery UI, Bootstrap 3, Google Analytics, Google Maps API, Fancybox, CookieManager by Virtual Zoom, ZoomLetter popup designer, BA-js-tracker, Google Tag Manager
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied by URLs
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Google Tag Manager, BA-js-tracker
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
GoogleAds, Seznam Retargeting
Tracking pixels
Facebook Pixel, BA-js-tracker
Marketing tools
ZoomLetter popup designer
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content about hotel services.
  2. No WHOIS data available, which is unusual and reduces domain trust.
  3. Cookie consent and privacy policy are implemented and GDPR compliant.
  4. Multiple external trusted domains and social media links present.
  5. Minor PHP notice error visible in HTML source, should be fixed.
  6. No explicit security headers detected in provided data.
  7. Website uses modern JavaScript libraries and Google services.
  8. No evidence of malware or phishing detected.
Technical notes

Notes

The website uses a combination of jQuery, jQuery UI, Bootstrap 3, and various plugins such as Fancybox and cookie management tools. Google Analytics and Google Tag Manager are integrated for analytics and marketing. The site is multilingual with hreflang tags and responsive design elements. Google Maps API is used for location display. Performance is moderate with lazy loading of images and some custom JavaScript for UI interactions. Minor technical debt is indicated by PHP notices and lack of modern security headers. Hosting provider and CMS are not explicitly identified. Opportunities exist to modernize the tech stack, improve accessibility, and enhance security configurations to reduce risks and improve user experience.
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. 57/100Medium30 findingsView report
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