There are a number of basic guidelines that may be used to promote a culture of security awareness and effective operational security within an organisation.
I had to install a virtualisation server recently that would host a couple of mail servers and provide a temporary disk-to-disk backup facility for the VMs.
Wireless networks seem to be everywhere. The problem is that they do not seem to be secure. The general issue is that of awareness. The average home computer user has no awareness of the abuse potential that an unsecured wireless access point invites.