Microsoft Baseline Security Analyzer (MBSA) is an easy-to-use tool designed for the IT professional that helps small- and medium-sized businesses determine their security state in accordance with Microsoft security recommendations and offers specific remediation guidance.
Microsoft Active Directory provides the means to manage the identities and relationships that make up your network environment. Find webcasts, virtual labs, and other resources that show how you can use Active Directory to help establish secure administrative policies and practices.
If you want all your files and folders to be listed the same way in Explorer, display the format you want in the right pane, e.g. details view, sorted by file type. Then Tools>Folder Options and the Views tab. Hit the Apply to All Folders button and the next time you traverse to a folder it will be in your "standard " display format.
Windows XP and beyond include firewall technology.
If you have a gateway to the internet or are just using Windows XP Internet Connection Sharing, Windows has a great firewall, but you need to tune it to get the best from it.
Email is a hackers gateway to your network.
Make sure you have adequately trained your employees in good email hygiene to reduce virus attacks.
Need to grant admin access for a single app to a specific user or group?
Don't just give out root. Use Sudo to define and control admin access to all resources - and you are the admin, do the same thing for yourself. You will be much less likely to step on yourself.
An average of $1,300 is spent per employee in companies of $10m revenue or less.
This is 10 times greater than companies with revenue of $100m - $1bn. Unable to realize the economies of scale, smaller companies spend disproportionately higher amounts on security - learn how to leverage lessons learnt by larger companies.