There are so many breaches that occur via drive-by downloads -- malicious or compromised Web sites that can exploit your machine simply by accessing a Web site. Being able to block where insiders go is key to a good security policy.
Perimeter CTO Kevin Prince has kindly offered up several tips for preventing a data breach. Kevin says, "Being aware is always the first step. Taking a layered security approach and looking for the policies, procedures, and solutions that can best mitigate security threats is best."