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Security report for dangdang.com

当当网 · E-commerce · China

High risk. 8 critical or high findings in GDPR outside view, SSL/TLS and 1 other check.

Security score

48/100

Risk levelHigh

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

Dangdang.com is a leading Chinese e-commerce platform specializing primarily in books, educational materials, and a broad range of consumer goods including clothing, home goods, and mother and baby products. The website presents a comprehensive online shopping experience with a large catalog exceeding one million products, targeting a general consumer audience in China. The platform emphasizes authentic products, competitive pricing, and customer convenience such as free shipping on qualifying orders and easy returns. Technically, the site uses standard web technologies including JavaScript and CSS, with moderate performance and basic mobile optimization. Security posture is adequate but could be improved by implementing stronger HTTP security headers and explicit privacy and cookie consent mechanisms. The WHOIS data is not publicly available, which slightly reduces domain trustworthiness, but the website content and structure strongly indicate a legitimate enterprise. Overall, Dangdang.com is a mature e-commerce site with good business credibility and user experience, though it would benefit from enhanced privacy compliance and security transparency.

Scanned

This is an earlier scan of dangdang.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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. GDPR outside view

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

    • Critical

      No HTTPS encryption

      GDPR requires appropriate security measures for personal data

      What to do: Implement SSL/TLS certificate for HTTPS

  2. 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

      No HTTPS Encryption

      Website does not use HTTPS encryption, making all data transmission vulnerable to interception

      What to do: Implement SSL/TLS certificate and redirect all HTTP traffic to HTTPS

  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';…

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Keep watching dangdang.com

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.

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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
70
DNS health
75
Network security
100
GDPR outside view
25
Average
48

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

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 dangdang.com, from OffSeq Breach.

Total records
11,525
Employees
0
Customers
11,490
Third parties
35
Weak passwords
29%

84 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for dangdang.com.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

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

Business context

Business profile

Dangdang.com holds a strong market position as a comprehensive online shopping center in China, with a focus on books and related categories. Its business model is retail e-commerce, leveraging a large product catalog and multiple subdomains for specialized services such as gift cards, flash sales, and user account management. The platform targets a broad consumer base including students, parents, and general shoppers. The presence of multiple promotional campaigns and curated product lists indicates active marketing and customer engagement strategies. The ecosystem includes related domains for customer support, corporate sales, and community engagement, reflecting a well-integrated business operation. The lack of publicly available WHOIS data suggests use of privacy protection or registrar policies, which is common but should be monitored for legitimacy. Dangdang.com’s business intelligence points to a large, established enterprise with significant market penetration in the Chinese e-commerce sector.

Security posture

The website employs HTTPS, ensuring encrypted communication, but lacks visible advanced security headers such as Content Security Policy or HSTS in the analyzed HTML content. No exposed sensitive data or vulnerable libraries were detected in the source. However, the absence of explicit privacy and cookie consent mechanisms indicates partial compliance with modern privacy regulations like GDPR. There is no public security policy or incident response information available, which limits transparency. The site uses JavaScript tracking scripts for analytics and marketing, implying moderate user tracking. Overall, the security posture is functional but could be enhanced by adopting best practices in HTTP security headers, privacy compliance, and publishing security-related policies to build user trust and regulatory compliance.

Recommendations

  1. Implement comprehensive HTTP security headers including Content Security Policy, HSTS, and X-Frame-Options to enhance protection against common web attacks.
  2. Add explicit cookie consent banners and privacy notices to comply with global privacy regulations and improve user transparency.
  3. Publish a clear security policy and incident response plan accessible to users and security researchers.
  4. Improve mobile optimization and accessibility features to enhance user experience across devices and for users with disabilities.
  5. Regularly audit third-party scripts and tracking mechanisms to minimize privacy risks and ensure compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
当当网
Description
全球领先的综合性网上购物中心。超过100万种商品在线热销！图书、童书、绘本、中小学教辅、文学小说、音像、母婴、家居、服装、鞋包等几十大类，正版保证，低至2折（自营图书满49元免运费。当当网一贯秉承提升顾客体验的承诺，自助退换货便捷又放心）
Key services
Online retail of books, Children's books, Educational materials, Audio-visual products, Mother and baby products, Home goods, Clothing and shoes
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, jQuery, CSS, HTML5
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
60/100
Good practices seen
  • Use of HTTPS (implied by base href and links)
  • No visible exposed sensitive data in HTML

Analytics and tracking

Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
a.dangdang.com
Tracking pixels
a.dangdang.com
Marketing tools
ddclick
Transparency
basic

Site quality

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

Key observations

  1. Website is a large Chinese e-commerce platform specializing in books and general merchandise.
  2. Content is rich with multiple product categories and promotional sections.
  3. No explicit privacy or cookie consent banners detected on the homepage.
  4. WHOIS data is not publicly available, which is unusual but not uncommon for commercial sites.
  5. No direct contact emails or phone numbers found in the visible content.
  6. Multiple internal and external links to subdomains and partner services within dangdang.com ecosystem.
  7. No signs of adult or NSFW content.
  8. No WAF or blocking detected; site is fully accessible.
Technical notes

Notes

Dangdang.com uses a traditional web technology stack with extensive use of JavaScript and CSS for dynamic content and user interaction. The site structure is complex with multiple subdomains serving specialized functions such as gift cards, flash sales, and user account management. Performance is moderate with some large images and scripts, suggesting opportunities for optimization. The site lacks a detected CMS, indicating a custom or proprietary platform. Accessibility and mobile responsiveness are basic, with room for improvement. The presence of multiple internal and external links shows a well-integrated ecosystem but also increases the attack surface. Overall, the technical infrastructure supports a large-scale e-commerce operation but would benefit from modernization efforts focused on performance, security, 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

Earlier scans of this domain

  1. 64/100Medium30 findingsView report
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