KHCrypt is a secure USB-based authentication system that auto-locks/unlocks your computer based on USB drive presence. It supports Windows, Linux, and macOS, using encrypted keys and UUIDs for unique identification. Features include AES-256 encryption, authentication logging, and multiple USB support for seamless, cross-platform security.

The Wi-Fi Security Alert System detects unauthorized Wi-Fi accessing your device and sends instant email alerts, and provides a user-friendly interface for efficient monitoring of the device .