If you discover a security vulnerability in this library, please report it responsibly.

Do NOT open a public GitHub issue for security vulnerabilities.

Instead, email security concerns to: support@kwtsms.com

Include:

• Description of the vulnerability
• Steps to reproduce
• Potential impact
• Suggested fix (if any)

We will acknowledge receipt within 48 hours and provide an update within 7 days.

When using this library:

1. Never hardcode credentials in source code
2. Use environment variables or .env files for API credentials
3. Add .env to .gitignore to prevent credential leaks
4. Mask credentials in logs: the library does this automatically
5. Use HTTPS only: the library enforces this
6. Implement rate limiting in your application before going live
7. Use CAPTCHA/bot protection on forms that trigger SMS sends