Software that analyzes a network to determine its exposure to unwanted intruders. Also called a "vulnerability scanner," such products check client PCs, servers, routers, firewalls, network appliances ...

Security software is a real free-for-all these days. Sure a few strings might come attached — some free anti-virus software and online scanners are strictly for personal use and you might need to put ...

There are two approaches to network vulnerability scanning, active and passive. The active approach encompasses everything an organization does to foil system breaches, while the passive (or ...