Chapter 1 What’s New for FortiOS 5.2.1 : Security Profiles : Application Control : 5-Point-Risk Rating
  
5-Point-Risk Rating
A new rating system will be used for all pages related to application control, including the application list, the application filters list, traffic logs, the FortiView Applications dashboard, and the FortiView All Sessions dashboard. Risk levels are indicated in the various tables and logs by using a series of icons.
The rating system is as follows:
Icon
Risk Level
Description
Example
Critical
Applications that are used to conceal activity to evade detection
Tor, SpyBoss
High
Applications that can cause data leakage, or prone to vulnerabilities or downloading malware
Remote Desktop, File Sharing, P2P
Medium
Applications that can be misused
VoiP, Instant Messaging, File Storage, WebEx, Gmail
Elevated
Applications are used for personal communications or can lower productivity
Gaming, Facebook, Youtube
Low
Business Related Applications or other harmless applications
Windows Updates