Is link3.cc Safe? Security Analysis for 上海冰丰科技有限公司
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
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.
Detected Technologies
11 urgent findings need attention
11 high
- + 3 more findings in the full report below
Keep link3.cc under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
8 findings
25/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
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 Analysis
Comprehensive Security Assessment
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.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy and cookie policies with user consent mechanisms to improve compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
上海冰丰科技有限公司
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。
good
consistent
Technical Stack
moderate
excellent
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of modern JS frameworks
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content in Chinese language
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=16070400;preload"
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 51 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
No DMARC Record
MEDIUMDMARC policy not configured
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does link3.cc compare?
See how link3.cc stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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