Descrição Think of Intrusion as a virtual police force protecting and serving your network. The security specialist sells network intrusion detection and security monitoring systems. Its products include software and stand-alone security appliances that guard against misuse of classified or private information and aid law enforcement agencies in battling cyber crimes. Intrusion also provides consulting, design, installation, and technical support services. The company sells its products directly and through distributors and resellers. Intrusion markets its products to government agencies, as well as businesses ranging from health care providers to telecommunications service operators.