Network World: The 5 essential patches of 2009

This is an interesting article by Network World which reviews the top patches of 2009.  The list was compiled by Qualys' chief technology officer, Wolfgang Kandek and a panel of patch and vulnerability experts to find the five security fixes everyone should deploy from the last 12 months".

As always, keeping your software up to date is one of the most important components of computer security.  Compared to cleaning up an infected computer, patching is quick, easy and painless.