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Security report for link3.cc

上海冰丰科技有限公司 · Technology · China

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

Security score

60/100

Risk levelMedium

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

Link3.cc is a Chinese technology company operated by 上海冰丰科技有限公司, providing a digital business card and link aggregation platform. The service enables users to create personalized pages that consolidate social media accounts, shops, posts, and multimedia content into a single permanent link and QR code. The platform targets creators, entrepreneurs, and businesses, boasting over one million users and offering features such as NFC integration and audience analytics. The website is well-designed with modern frontend technologies, optimized for mobile, and hosted on Tencent Cloud infrastructure. However, the absence of WHOIS data raises concerns about domain registration legitimacy. Security posture is generally good with HTTPS and modern frameworks, but lacks security headers and privacy compliance documentation. Overall, the platform presents a professional and trustworthy service with room for improvement in transparency and security best practices.

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

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 link3.cc

This scan found 26 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

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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
42
Security headers
25
Email security
70
DNS health
75
Network security
100
GDPR outside view
50
Average
60

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

Link3.cc occupies a strong position in the Chinese digital identity and link aggregation market, catering to a broad audience including influencers, media personalities, and small to medium enterprises. Its business model revolves around free registration with lifetime benefits, leveraging permanent URLs and QR codes to drive user engagement. The company benefits from a partnership with SCANFC for NFC services, enhancing its technological edge. The platform's use of Vue.js and Tencent CDN indicates a modern and scalable technical infrastructure. However, the lack of visible privacy policies and WHOIS transparency may impact user trust and regulatory compliance. The company appears focused on growth and user acquisition, with a clear emphasis on ease of use and customization.

Security posture

The website enforces HTTPS and uses modern JavaScript frameworks, which is positive for security and performance. However, the absence of key security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces its defense-in-depth posture. No sensitive data exposure or vulnerable libraries were detected in the HTML content. The lack of privacy and cookie policies, as well as incident response contacts, indicates gaps in compliance and readiness. The WHOIS data unavailability is a notable risk factor, as it hinders domain ownership verification. Overall, the security maturity is moderate but would benefit from enhanced header configurations, documented policies, and transparency.

Recommendations

  1. Implement comprehensive privacy and cookie policies with user consent mechanisms to improve compliance.
  2. Add security headers such as CSP, HSTS, and X-Frame-Options to strengthen security posture.
  3. Publish clear contact information for security incidents and designate an incident response channel.
  4. Verify and update WHOIS domain registration information to enhance trust and legitimacy.
  5. Regularly audit third-party libraries and dependencies to mitigate vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
上海冰丰科技有限公司
Description
Link3是一个令人印象深刻的超链接集合网站，以简洁明了的界面、易于使用的操作为特点，方便用户分享和访问多种内容。用户可以个性化创建页面，并将社交媒体账号、网站、博客、音乐、视频等内容汇集在此，为访问者提供便捷的访问方式。Link3提供各种自定义选项，控制页面外观和内容，展示个人品牌和风格。移动端体验出色，还支持中英双语和繁体中文。无论何时何地，均可访问个人和业务信息。Link3是个人、创业者和企业家的理想选择，为品牌和业务提供有力的平台。
Key services
数字名片创建, 永久短链接和二维码, 多内容聚合（社交账号、店铺、贴文、视频等）, 数据分析受众, NFC链接植入
Content quality
good
Branding
consistent

Technology

Stack
Vue.js 3.2.38, Vuex 4.0.2, Vue Router 4.1.5, Axios 0.27.2, Vant UI 3.6.1, html2canvas 1.4.1, qiniu-js 3.4.1, Tencent CDN
Frameworks
Vue.js
Performance
moderate
Mobile
excellent
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of modern JS frameworks

Analytics and tracking

Services
51.la
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
51.la
Marketing tools
51.la analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with rich content in Chinese language
  2. No privacy, cookie, or terms of service pages found in provided HTML
  3. No explicit contact emails or phone numbers found
  4. Use of modern frontend technologies and CDN for performance
  5. No security headers detected in HTML content
  6. WHOIS data unavailable, raising concerns about domain registration status
  7. Website targets Chinese-speaking creators, entrepreneurs, and businesses
  8. Contains user showcases and testimonials enhancing trust
  9. No adult or NSFW content detected
Technical notes

Notes

The website is built on a modern Vue.js framework with Vuex for state management and Vue Router for navigation, supported by Axios for HTTP requests. It leverages the Vant UI library for mobile-optimized components and uses Tencent's CDN for static asset delivery, indicating a robust and scalable infrastructure. The site includes analytics via 51.la, a Chinese tracking service. Performance is moderate with good mobile optimization and SEO practices. Accessibility is basic and could be improved. No CMS was detected, suggesting a custom-built or SPA architecture. The technical stack is contemporary but could benefit from enhanced accessibility and security configurations.
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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