Tenable Network Security Nessus is a configuration and vulnerability assessment software that controls un-credentialed and credentialed scans; patch, configuration, and mobile managers; outside repositories; global threat information to protect and decrease risk in sensitive data and website reputation. Nessus also offers compliance auditing and extensive configuration wherein it checks for compliance and eliminates external audit findings and fines. It covers HIPAA/HITECH, PCI DSS, DISA STIGs, and NIST, routers, firewalls and virtualization. It also provides broad asset profiling and coverage, the program detects profiles and scans resources and numerous devices to leverage security and compliance in the network. That covers virtual host, devices, OSes, databases and Web apps. Tenable Network Security Nessus gives its key features such as scanning unlimited number of IPs, receiving daily updates that are over 50,000 configuration and vulnerability checks and downloading audit, compliance files and receiving software updates and support.