diff --git a/SECURITY.md b/SECURITY.md
index b4e24934..6d01db14 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -2,17 +2,79 @@
 
 ## Supported Versions
 
-| Version       | Supported          |
-| :-----------: | :----------------: |
-| 0.3.x         | :white_check_mark: |
+We actively maintain and provide security updates for the following versions:
 
-legacy and transitional versions:
+### Current Versions
 
-| Version       | Supported          | LoveIt Compatibility |
-| :-----------: | :----------------: | :------------------: |
-| 0.1.x         | :x:                | :white_check_mark:   |
-| 0.2.x         | :x:                | :white_check_mark:   |
+| Version | Hugo Version      | Supported          | Status         |
+| :-----: | :---------------: | :----------------: | :------------: |
+| 0.4.x   | >= 0.147.7        | :white_check_mark: | Latest (Alpha) |
+| 0.3.x   | 0.112.0 ~ 0.146.0 | :white_check_mark: | Stable         |
+
+### Legacy and Transitional Versions
+
+| Version | Hugo Version     | LoveIt Compatibility | Supported |
+| :-----: | :--------------: | :------------------: | :-------: |
+| 0.1.x   | Unknown          | :white_check_mark:   | :x:       |
+| 0.2.x   | 0.62.0 ~ 0.110.0 | :white_check_mark:   | :x:       |
+
+## Security Considerations
+
+### Theme Security Features
+
+- **Content Security Policy (CSP)** support
+- **Subresource Integrity (SRI)** for external resources
+- **XSS protection** through Hugo's built-in escaping
+- **Safe HTML rendering** with configurable markup
+- **Secure defaults** for all theme configurations
+
+### Best Practices
+
+1. **Keep Hugo Updated**: Always use the latest stable Hugo version
+2. **Regular Updates**: Update the theme regularly to get security patches
+3. **Content Validation**: Validate user-generated content before publishing
+4. **HTTPS Only**: Always deploy sites with HTTPS enabled
+
+### Known Security Considerations
+
+- External CDN resources should be reviewed before enabling
+- User-generated content requires proper sanitization
+- Third-party integrations (comments, analytics) should be configured securely
 
 ## Reporting a Vulnerability
 
-If you want to report a vulnerability, create a new issue at https://github.com/hugo-fixit/FixIt/issues. Any vulnerabilities will be fixed as soon as possible.
+We take security seriously and appreciate your help in keeping FixIt secure.
+
+### How to Report
+
+1. **Create an Issue**: Report vulnerabilities at https://github.com/hugo-fixit/FixIt/issues
+2. **Private Disclosure**: For sensitive security issues, email the maintainers directly
+3. **Include Details**: Provide clear steps to reproduce the vulnerability
+
+### What to Include
+
+- **Description**: Clear description of the vulnerability
+- **Impact**: Potential impact and severity
+- **Reproduction**: Step-by-step instructions to reproduce
+- **Environment**: Hugo version, theme version, and platform details
+- **Solution**: Suggested fix if you have one
+
+### Response Timeline
+
+- **Acknowledgment**: Within 48 hours
+- **Initial Assessment**: Within 1 week
+- **Status Updates**: Weekly updates on progress
+- **Resolution**: Security fixes are prioritized and released as soon as possible
+
+### Disclosure Policy
+
+- We follow responsible disclosure practices
+- We will coordinate with you on the disclosure timeline
+
+## Security Resources
+
+- [Hugo Security Model](https://gohugo.io/about/security/)
+- [OWASP Web Security Testing Guide](https://owasp.org/www-project-web-security-testing-guide/)
+- [Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CSP)
+
+<!-- This security policy was enhanced and generated with assistance from GitHub Copilot AI -->