More from yesterday's revelation that Snow Leopard is protecting against certain file types. Xprotect is the name of the plist file that Snow Leopard uses to look for files
/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.plist
Apple could update this file as new threats emerge with Security Updates. Apple administrators could also edit this file, "protecting" users against bittorrent installers and such.
