Having a secure password is often the first line of defense against security breaches.
Scanners are important to Internet security because they reveal weaknesses in the network.
Strobe Strobe is Super optimised TCP port surveyor. It is simple to use and very fast, but doesn't have any of the features newer port scanners have. Nmap Nmap is a newer and much more fully-featured host scanning tool. It uses a simple method to achieve its goal, and it is extremely compact taking in account all of the options available. Queso Queso is a tool to detect what OS a remote host is running with a pretty good degree of accuracy .