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Security report for thegrandtarabya.com

The Grand Tarabya Hotel · Hospitality · Turkey

High risk. 8 critical or high findings in SSL/TLS, Network security and 2 other checks.

Security score

40/100

Risk levelHigh

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

The Grand Tarabya Hotel website presents a luxury hospitality business located in Istanbul, Turkey, offering premium accommodation, dining, spa, and event services. The site is professionally designed with rich content targeting upscale travelers and event organizers. Technically, the site uses ASP.NET WebForms with modern JavaScript libraries and integrates analytics tools such as Google Analytics and Yandex Metrika. Security posture is generally good with HTTPS enforced and secure form validation, but lacks explicit security headers and a cookie consent mechanism, which are areas for improvement. The absence of WHOIS data raises concerns about domain registration legitimacy, though the website content and branding suggest a credible business. Overall, the site is functional, visually appealing, and business-focused but would benefit from enhanced security and compliance measures.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

8 findings rated critical or high. Fix these first.

  1. 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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  2. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: SMB

      Port 445 (SMB) is publicly accessible - SMB - Windows file sharing, high risk

      What to do: Immediately restrict access to SMB using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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 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 thegrandtarabya.com

This scan found 20 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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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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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
0
Security headers
15
Email security
85
DNS health
85
Network security
0
GDPR outside view
53
Average
40

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 · found on this site
  • 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 Grand Tarabya operates in the hospitality sector, positioned as a luxury hotel with a historic and iconic presence in Istanbul. Its business model revolves around providing high-end accommodation, dining experiences, wellness services, and event hosting. The website indicates a medium-sized operation with a strong brand identity and active social media presence. Revenue streams likely include room bookings, restaurant and bar sales, spa services, and event hosting fees. The company targets affluent tourists, business travelers, and event clients. The lack of visible direct contact emails or phone numbers suggests a preference for controlled communication channels, possibly to maintain exclusivity or manage inquiries efficiently. The partnership with Hostamedia for hosting or web services is noted. Strategic growth could focus on enhancing digital trust and compliance to support international clientele.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enabled and client-side validation for newsletter subscription forms. However, it lacks visible security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection, which are recommended to mitigate common web vulnerabilities. No security.txt or vulnerability disclosure policy is present, limiting transparency for security researchers. The use of multiple third-party analytics and marketing scripts introduces potential risk vectors that require ongoing monitoring. No exposed sensitive data or obvious vulnerabilities were detected in the HTML content. Compliance with GDPR is suggested by the presence of a privacy policy but is weakened by the absence of a cookie consent mechanism. Incident response readiness and security culture indicators are not evident from the site content. Overall, the security posture is adequate but could be significantly improved with standard best practices and transparency measures.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-XSS-Protection to enhance protection against common attacks.
  2. Add a cookie consent banner and explicit cookie policy to improve GDPR compliance and user privacy transparency.
  3. Verify and publish domain WHOIS information to improve domain legitimacy and trustworthiness.
  4. Create and publish a security.txt file to facilitate responsible vulnerability disclosure and improve security posture transparency.
  5. Regularly audit third-party scripts and analytics tools to minimize security risks and ensure compliance with privacy regulations.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
The Grand Tarabya Hotel
Description
The Grand Tarabya is a luxury five-star hotel located in Istanbul, overlooking the Bosphorus. It offers 177 guest rooms, 70 suites, 1 presidential suite, and 30 residences, along with spa, fitness, restaurants, bars, meeting rooms, and event spaces. The hotel combines care, elegance, and comfort with stunning views and a rich historical ambiance.
Key services
Accommodation (rooms, suites, residences), Restaurants and bars, Spa and fitness center, Meetings and events, Weddings and social events
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery 3.6.1, jQuery UI, Google Analytics, Yandex Metrika, Vimeo Player, Revolution Slider, ASP.NET WebForms
Frameworks
ASP.NET WebForms
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Secure form validation for newsletter subscription

Analytics and tracking

Services
Google Analytics, Yandex Metrika, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Yandex Metrika
Marketing tools
efilli
Transparency
basic

Site quality

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

Key observations

  1. Website is a professionally designed luxury hotel site with comprehensive service descriptions.
  2. No WHOIS data available, which is unusual and may indicate domain registration issues or privacy protection.
  3. No explicit contact emails or phone numbers found in the HTML; contact is via form.
  4. Privacy policy and terms of use are present and accessible.
  5. No cookie consent banner detected, which may be a compliance gap.
  6. Uses multiple analytics and tracking services including Google Analytics and Yandex Metrika.
  7. No security.txt or vulnerability disclosure policy found.
  8. No explicit security headers detected in the HTML content.
  9. No adult or questionable content detected; content is safe for general audiences.
Technical notes

Notes

The website is built on ASP.NET WebForms technology, utilizing jQuery and jQuery UI libraries for UI interactions and date pickers. It integrates the Revolution Slider plugin for dynamic banners and uses Vimeo for video content embedding. Analytics are handled via Google Analytics, Google Tag Manager, and Yandex Metrika, indicating a mature approach to user behavior tracking. The site loads multiple CSS and JavaScript resources asynchronously to optimize performance. Mobile optimization is good with responsive design elements and mobile-specific booking interfaces. Accessibility features are basic, with some ARIA roles and semantic HTML but could be improved. SEO is supported by meta tags, canonical links, and hreflang attributes for language targeting. Hosting provider details are not explicitly found, but the presence of Hostamedia branding suggests their involvement. Performance is moderate, with room for optimization in script loading and caching strategies.
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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