Corporate networks face internal and external threats.
The methods used to defend them should take this into account, providing protection ranging from passwords to firewalls. Neil Barrett reports on the options T here are two aspects to protecting computer systems and networks from malicious insiders. Often there are a number of further passwords required to gain access to the network or other computers, but if these are provided correctly, the user is assumed to be valid. But passwords are often poorly chosen. Users tend to select words that are meaningful to them so they are easy to remember, but that may make them easy to guess.