Is 423down.com Safe? Security Analysis for 423Down
Check if 423down.com is a scam or legitimate. Free security scan and reviews.

AI Summary
423Down is a Chinese-language software download and sharing website focused on providing ad-free software and original software content primarily for PC and Android platforms. The site operates as a personal brand with a niche market position targeting Chinese-speaking users seeking clean, ad-free software solutions. The business model revolves around content sharing, product promotions, and software distribution. Technically, the website is built on WordPress CMS, utilizing common web technologies such as jQuery, Google AdSense for advertising, and Baidu Analytics for user tracking. The site is mobile-optimized with moderate performance and basic accessibility features. Security posture is adequate with HTTPS enforced and a Content Security Policy in place, but lacks comprehensive security headers and incident response information. Privacy compliance is basic, with a privacy policy present but no cookie consent mechanism detected. The absence of WHOIS registration data raises concerns about domain legitimacy, although the site displays an ICP license indicating regulatory compliance in China. Overall, the site presents a moderate risk profile with room for improvement in security and privacy practices.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The website targets a niche audience of Chinese software users interested in ad-free and original software downloads. Its competitive advantage lies in its long-standing presence and focus on ad-free software sharing. Revenue streams likely include advertising via Google AdSense and product promotions. The partnership ecosystem includes several related Chinese software and content platforms linked in the footer. Growth indicators include regular content updates and active user comments. Strategic observations suggest the site could enhance trust and compliance by improving transparency around business contact information and privacy practices.
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity level is moderate. HTTPS is enforced, and a Content Security Policy is implemented to upgrade insecure requests. However, the site lacks several important security headers such as HSTS, X-Frame-Options, and X-XSS-Protection. No explicit incident response or vulnerability disclosure information is provided, and no security contact channels are visible. Privacy compliance is limited, with no cookie consent mechanism despite the use of tracking and advertising scripts. The absence of WHOIS registration data is a significant red flag that impacts trustworthiness. Overall, the site should prioritize enhancing security headers, implementing cookie consent, and providing clear security and contact information to improve its security posture.
Strategic Recommendations
Priority Actions for Security Improvement
Implement a cookie consent banner to comply with privacy regulations and improve user transparency.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
知名软件达人|423DOWN.COM,更新快、专注去广告类软件输出10年、个人IP品牌软件分享站
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Content Security Policy to upgrade insecure requests
- Domain redirect to canonical www subdomain
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF detected.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak X-Frame-Options configuration
LOWCurrent value: "SAMEORIGIN, SAMEORIGIN"
Weak X-Content-Type-Options configuration
LOWCurrent value: "nosniff, nosniff"
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "strict-origin-when-cross-origin, strict-origin-when-cross-origin"
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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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 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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 74 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM3 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings