Well, we could move Script Shield, Behavior Shield, IM Shield and P2P Shield inside File System Shield because they basically all do the same task. You can add settings for each in the Expert Settings on the left side selection.
Or in the "worst case", merge just Script Shield, IM Shield and P2P Shield into the File System Shield. Removing 3 shields from the list by merging them into one will certainly make things less massive.
I'd remove the Pie Chart and instead move all of it's "functions" directly in to the shields tab.
So the buttons for each shield would blink on activity and you'd also have numbers right next to the names of the Shields.
Look at the interface mockup in attachement...
I quickly made up the numbers so you get the feel, they don't match the actual File System Shield though in my example.
All the other shields merged together could imo easily be done since they don't realyl need settings or you just place them into the File System Shield Expert Settings on the left side selection menu.