If a developer stores sensitive information (like a download URL for a protected file) in a plain string, an attacker can scan the application's memory to find it without ever needing to log in. How Developers Can Prevent Bypasses
Understanding KeyAuth.win: Security, Architecture, and the Reality of Bypasses
Regularly check the integrity of your file to ensure it hasn't been patched or modified by a hex editor. The Ethics and Risks of Bypassing
Ensuring a license is tied to a specific machine.