Penetration testing in a company's complex intranet environment helps optimize network security strategies,enhance the ability to counter cyber threats,and protect sensitive information and business continuity.The article utilizes VMware virtualization technology to build a highly simulated enterprise network environment.By conducting penetration testing from an attacker's perspective,vulnerabilities in the complex intranet are identified,and security recommendations are provided.Ultimately,this approach improves a company's ability to respond to cyberattacks and enhances the security of the enterprise intranet.