The number of UK businesses transacting on-line is at an all-time high. Whether it is on-line retailers selling direct to consumers, or businesses providing extranet type services to their trading partners, there is a growing trend to bring more and more functionality to the Internet browser. Many of these transactions are delivered over secure HTTPS connection streams. Although this brings more security to the end user, it does mean that a malicious user can send encrypted traffic to the web server that cannot be seen by many traditional security controls.