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Security report for cheyunhui.com

Chengdu West Dimension Digital Technology Co., Ltd. · Transportation · China

High risk. 10 critical or high findings in Email security, Network security and 3 other checks.

Security score

44/100

Risk levelHigh

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

云车智汇 operates as a specialized online marketplace for used cars in China, providing a comprehensive platform for buying, selling, and researching used vehicles. The website offers extensive listings of used cars, dealer information, automotive news, exhibitions, and franchise opportunities, targeting a broad general audience interested in the automotive sector. The business is relatively new, founded in 2023, and registered under Chengdu West Dimension Digital Technology Co., Ltd., indicating a focused and regionally consistent operation. Technically, the website is built on a CMS platform likely Destoon, utilizing JavaScript and jQuery for interactivity. The site is moderately optimized for performance and mobile use, with good SEO practices evident from meta tags and structured navigation. However, accessibility features are basic, and there is room for improvement in modernizing the tech stack and enhancing mobile responsiveness. From a security perspective, the site uses HTTPS but lacks DNSSEC and visible security headers, which are important for protecting users and data integrity. There is no evidence of published security policies or incident response contacts, and cookie consent mechanisms are absent, indicating potential compliance gaps with privacy regulations such as GDPR. No critical vulnerabilities or blocking mechanisms were detected, and the domain registration is consistent and legitimate. Overall, the website presents a professional and trustworthy platform for used car trading in China but would benefit from enhanced security practices, privacy compliance improvements, and technical modernization to strengthen its market position and user trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 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

10 findings rated critical or high. Fix these first.

  1. 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

  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: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL 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 cheyunhui.com

This scan found 27 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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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
60
DNS health
75
Network security
0
GDPR outside view
50
Average
44

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention cheyunhui.com, from OffSeq Breach.

No leaked records found

Breach holds no records for cheyunhui.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

云车智汇 positions itself as a niche player in the Chinese used car market, leveraging a digital platform to connect buyers, sellers, and dealers. Its business model revolves around providing listings, facilitating transactions, and offering value-added services such as automotive news and exhibitions. The company targets individual consumers and dealers across multiple Chinese provinces, as evidenced by the extensive city-specific subdomains and dealer listings. The presence of franchise and partnership links suggests a strategy to expand its ecosystem and revenue streams. The company benefits from a clear market focus and a growing automotive sector in China but faces competition from larger platforms. Strategic partnerships and content richness are key competitive advantages.

Security posture

The website demonstrates a moderate security posture with HTTPS enabled, ensuring encrypted communications. However, the absence of DNSSEC and security headers such as Content-Security-Policy and X-Frame-Options exposes the site to potential DNS spoofing and clickjacking attacks. The lack of published security policies and incident response contacts reduces transparency and preparedness for security incidents. No signs of malware or phishing were detected. Privacy compliance is weak due to missing cookie consent mechanisms. Overall, the security maturity is basic and requires enhancements to meet industry best practices and regulatory requirements.

Recommendations

  1. Enable DNSSEC on the domain to protect against DNS spoofing and improve domain security.
  2. Implement essential HTTP security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Add a cookie policy and consent banner to comply with privacy regulations and enhance user trust.
  4. Publish a clear security policy and incident response contact information on the website.
  5. Improve mobile optimization and accessibility features to enhance user experience and compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Chengdu West Dimension Digital Technology Co., Ltd.
Description
云车智汇,专业的二手车交易市场,为您提供最新二手车最新价格动态,二手车交易,二手车求购等服务,为您推荐优质二手车、真实可靠的商家及个人二手车源信息,买卖二手车更放心。
Key services
used car sales, used car purchase requests, used car dealer listings, automotive exhibitions, automotive news, franchise opportunities
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, jQuery
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
60/100
Good practices seen
  • HTTPS usage
  • No visible exposed sensitive data
  • Forms use POST method (inferred)

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 a professional used car trading platform targeting Chinese market.
  2. Content is rich with listings, news, and business information.
  3. No privacy or cookie policy banners detected, indicating potential compliance gaps.
  4. No explicit security policies or incident response contacts published.
  5. WHOIS data is transparent and consistent with business claims.
  6. No adult or questionable content detected.
  7. No WAF or blocking mechanisms detected.
  8. External links include many partner or related service domains.
Technical notes

Notes

The website is built on a CMS platform, likely Destoon, with JavaScript and jQuery libraries for client-side functionality. The HTML structure is valid and includes appropriate meta tags for SEO. The site uses HTTPS but lacks advanced security configurations. Performance is moderate with room for optimization, especially for mobile devices. The site includes multiple external links to partner domains, indicating an integrated ecosystem. There is no evidence of modern frontend frameworks or advanced analytics tools. Technical debt is moderate, and modernization opportunities exist to improve security, performance, and compliance.
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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