Basically, The TWMAN is an automated behavioral malware analysis environment to analyze the malware targeted at Microsoft Windows, and it can develop a free and open source software, and the environment is built around Joe Stewart’s TRUMAN sandnet. Although, there are many services of analysis malware behavioral, such as the Norman Sandbox, CWSandbox, Threat Expert, etc. For privacy and policy reasons, it must be treated as if they contain personally identifiable information.