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Security report for zsealine.com

Z Sea Line · Energy · Turkey

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

69/100

Risk levelMedium

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

Z Sea Line is a maritime transportation company specializing in the shipping of crude oil and energy products, operating since 2019 under the Zeren Group Holding Companies. The company positions itself as a reliable partner in global shipping with a focus on sustainable and cost-effective maritime logistics. Their website reflects a professional and business-oriented approach targeting industry professionals and businesses in the energy and transportation sectors. Technically, the website employs a modern frontend stack including jQuery, Bootstrap, and various UI libraries, hosted behind Cloudflare DNS. The site is mobile optimized with good navigation and design quality, though no CMS or advanced backend platform is detected. Performance is moderate with no evident broken elements. However, the site lacks advanced SEO and accessibility features. From a security perspective, the website uses HTTPS and has domain transfer protections but lacks DNSSEC and visible security headers. There are no privacy or cookie policies, nor vulnerability disclosure mechanisms, indicating compliance and security maturity gaps. No analytics or tracking scripts were detected, suggesting minimal user tracking. Overall, the website is functional and professional but would benefit from enhanced privacy compliance, security hardening, and transparency policies to improve trust and regulatory adherence.

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

7 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 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

    • 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

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

Keep watching zsealine.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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  • 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
75
Security headers
40
Email security
85
DNS health
80
Network security
100
GDPR outside view
35
Average
69

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

Z Sea Line operates in the maritime shipping sector with a focus on energy transportation, a critical segment in global trade. Their business model centers on providing large-scale maritime transportation services, emphasizing efficiency, responsibility, and sustainability. The company targets businesses requiring reliable shipping of crude oil and related products. Market positioning is that of a vital player in global trade, supported by a parent holding company, Zeren Group Holding. The website and social media presence support brand visibility and customer engagement. Growth indicators include recent domain registration possibly linked to rebranding or digital expansion. The company maintains a consistent brand image and clear contact channels, though lacks formalized compliance documentation online.

Security posture

The current security posture is moderate. HTTPS is enforced, and domain transfer protections are in place, which are positive indicators. However, the absence of DNSSEC, security headers, privacy policies, and vulnerability disclosure mechanisms represent gaps in security best practices and compliance. No exposed sensitive data or vulnerable libraries were detected in the frontend code. Incident response readiness is unclear due to lack of dedicated security contacts. The minimal use of tracking and analytics reduces privacy risks but also limits insights into user behavior. Overall, the company should prioritize implementing security headers, DNSSEC, and formal privacy and security policies to enhance their security maturity and regulatory compliance.

Recommendations

  1. Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
  2. Implement standard security headers such as Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  3. Publish comprehensive privacy and cookie policies with clear GDPR compliance statements.
  4. Establish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Add dedicated incident response contact channels (e.g., security@ or abuse@ email addresses).

Contact details published on the site

Addresses
Legal name
Z Sea Line
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Z Sea Line
Description
Z Sea Line is a leading provider of maritime transportation services, established in 2019 under Zeren Group Holding Companies. The company focuses on efficient and responsible global shipping, especially in energy resource transportation.
Key services
Maritime transportation of crude oil and products, Shipping operations, Sustainable and cost-effective maritime logistics
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Bootstrap, Swiper, WOW.js, Magnific Popup, Nice Select, NoUISlider, Odometer, Slick Carousel, FontAwesome
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Domain status clientTransferProhibited

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

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. No privacy, cookie, or terms of service policies found, indicating compliance gaps.
  3. Contact information is clearly presented and consistent across header, footer, and mobile menu.
  4. No forms collecting user data detected except a search form with no data submission endpoint.
  5. Social media presence is active on Facebook, X (Twitter), Instagram, and LinkedIn.
  6. No analytics or tracking scripts detected, indicating minimal user tracking.
  7. Website uses modern frontend libraries and frameworks but no CMS detected.
  8. Security headers are not visible in provided data; recommend adding for improved security posture.
  9. No vulnerability disclosure or incident response contacts found.
  10. Content is professional and relevant to maritime shipping and energy transportation.
Technical notes

Notes

The website uses a modern frontend technology stack with popular JavaScript libraries and CSS frameworks, ensuring a responsive and visually appealing user experience. Hosting is managed via Cloudflare DNS, providing some level of protection and performance optimization. The site lacks a detected CMS, indicating a custom or static site architecture. Performance is moderate with no critical errors or broken elements observed. SEO and accessibility features are basic and could be improved for better search engine ranking and user inclusivity. No analytics or marketing tools were detected, which limits data-driven marketing capabilities but enhances privacy. Overall, the technical implementation is solid but could benefit from modernization in SEO, accessibility, and 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

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