Risk-Based Dynamic Identity Authentication Method Based on the UCON Model

Table 3

Resource value level of the campus.

Importance	Value	Type	Introduction
V	80–100	Infrastructure	Server pool composed of computing nodes; will cause very serious damage if destroyed
IV	60–80	System resources	Website’s operating systems; will cause serious damage if destroyed
III	40–60	Shared data	Data that need to be shared; will cause some damage if destroyed
II	20–40	Application tool	Auxiliary application on the website; will cause loss after being destroyed
I	0–20	Portal information	Announcements; causes almost no damage if destroyed