In todays online poker world it is very important to secure your computer from outside harm. There are many different weapons that can be used against you and it is important to understand what is out there and how to prevent it. Below are two threads to read and follow in order to help keep yourself safe.
Medium Stakes Security Thread
High Stakes Security Thread
There are also additionally steps that i would highly recomend be taken in order to keep your computer safe. At the very least you should have PIN numbers on both your ftp and pokerstars accounts, but i think any serious online poker player should have rsa tokens for both sites. Better safe then sorry.
~Doug