Is signal-zh.work Safe? Security Analysis for Signal
Check if signal-zh.work is a scam or legitimate. Free security scan and reviews.
AI Summary
The website signal-zh.work serves as a Chinese language download portal for the Signal desktop application, offering Windows and Mac versions with multiple download lines for redundancy and speed. It targets Chinese-speaking users seeking secure and free communication software. The business model is primarily software distribution without direct monetization or user registration. The site is relatively new, with a domain creation date in 2025, and uses privacy protection for WHOIS data, which is common but reduces transparency. Technically, the site is built with standard HTML, CSS, and JavaScript, hosted on Alibaba Cloud OSS for downloads and GitHub for Mac client links. The site is mobile responsive, well-structured, and optimized for SEO with proper meta tags and Open Graph data. However, no advanced frameworks or CMS are detected. Performance is fast, and accessibility is good. From a security perspective, the site uses HTTPS for downloads but lacks DNSSEC and security headers, which are recommended best practices. There are no forms or user inputs, reducing attack surface, but the auto-triggered download on page load could be intrusive. No privacy or cookie policies are published, and no contact or incident response information is provided, limiting compliance and trust. Overall, the site is functional and professional in design but lacks transparency and formal security and privacy documentation. The domain's privacy-protected WHOIS and recent creation date suggest a new or small operation. Strategic improvements in security headers, policy publication, and contact transparency would enhance trust and compliance.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The website positions itself as a niche download portal for Signal desktop clients targeting Chinese users, leveraging Alibaba Cloud OSS for hosting downloads and GitHub for Mac client distribution. The business model is free software distribution without direct revenue streams or user engagement features. The site lacks visible partnerships or certifications but uses a privacy proxy for domain registration. The target audience is privacy-conscious users seeking secure communication tools. Growth indicators are limited due to minimal content and lack of business information. The site’s ecosystem appears isolated without evident partnerships or integrations.
Security Posture Analysis
Comprehensive Security Assessment
The security posture is moderate. The site enforces HTTPS for downloads but lacks DNSSEC and security headers such as Content-Security-Policy or Strict-Transport-Security. No forms or user inputs reduce risk exposure. The use of WHOIS privacy protection is common but reduces transparency. No incident response or security policy information is published. The auto-download on page load could be a minor security and UX concern. Overall, the site would benefit from enhanced DNS security, security headers, and published policies to improve compliance and trust.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to improve DNS integrity and security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Signal
Signal 桌面客户端下载中心，提供 Windows 与 Mac 版本下载，全球高速节点，支持多线路，安全稳定，永久免费使用。
good
moderate
Technical Stack
fast
good
good
good
Security Assessment
- HTTPS enforced (implied by download links using https)
- No forms or inputs to exploit
- No DNSSEC enabled
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Chinese language download portal for Signal desktop clients.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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
Critical sector without clear security compliance
HIGHDetected sectors: 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 65 days
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
DNS Performance
⚡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