Is csdn.net Safe? Security Analysis for 北京创新乐知网络技术有限公司
Check if csdn.net is a scam or legitimate. Free security scan and reviews.

AI Summary
CSDN is a well-established Chinese IT developer community platform founded in 1999 and operated by 北京创新乐知网络技术有限公司. It offers a comprehensive suite of services including blogs, forums, live streaming, online courses, and resource downloads, targeting professional IT developers and technology enthusiasts. The platform is a leading player in the Chinese technology education and developer community market. Technically, the website uses a mix of legacy and modern JavaScript libraries, integrates third-party analytics and monitoring tools, and demonstrates good mobile optimization and SEO practices. Security-wise, the site enforces HTTPS but lacks some advanced security headers and explicit security policies. Privacy compliance is basic with a privacy policy present but no clear cookie consent mechanism. WHOIS data is unavailable, which slightly impacts trust but the website's branding and content quality strongly support legitimacy. Overall, the site is professional, content-rich, and trustworthy with room for improvement in security and privacy transparency.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
CSDN operates as a large-scale technology and education platform focusing on IT professionals in China. Its business model revolves around community engagement, content creation, and monetization through memberships and training services. The platform maintains partnerships with major technology companies such as Qualcomm, Intel, NVIDIA, and HarmonyOS, enhancing its ecosystem and market reach. Revenue streams likely include advertising, premium memberships, and educational offerings. The company demonstrates strong market positioning as a leading developer community with extensive content and active user engagement. Growth indicators include integration of AI search and hosting of technical conferences. Strategic observations suggest continued investment in AI and open source projects to maintain competitive advantage.
Extracted Contact Information
Marketing Intelligence Data
Email Addresses (1)
Phone Numbers (1)
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a moderate security maturity level with HTTPS enforced and use of reputable third-party analytics and monitoring services. However, the absence of key security headers such as Content-Security-Policy and lack of published security policies or incident response contacts indicate gaps in security best practices. No vulnerabilities or exposed sensitive data were detected in the analysis. Privacy compliance is basic, with no cookie consent mechanism or GDPR-specific disclosures. The site would benefit from implementing a security.txt file and formal vulnerability disclosure process to enhance security posture and trust. Overall, the security posture is adequate for a content platform but requires enhancements to meet higher compliance and security standards.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
北京创新乐知网络技术有限公司
CSDN是全球知名中文IT技术交流平台,创建于1999年,包含原创博客、精品问答、职业培训、技术论坛、资源下载等产品服务,提供原创、优质、完整内容的专业IT技术开发社区.
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Use of third-party analytics and monitoring scripts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a professional Chinese IT developer community platform with rich content and services.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=0; preload"
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
📧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
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Unable to retrieve SSL certificate
CRITICALCould not establish secure connection to retrieve certificate information
Mixed Content Detected
MEDIUM3 resources loaded over insecure HTTP
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
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings