Investment Priority Analysis of ICS Information Security Resources in Smart Mobile IoT Network Environment Using the Analytic Hierarchy Process

Table 8

AHP result of hierarchy II on the field device layer.

Hierarchy I	Hierarchy II	Importance	Priority	C.I.
Network robustness	Fuzzing test	0.074	9
	Stress test	0.081	8
Service continuity	Resource availability	0.110	3	0.07
	Physical interface protection	0.159	1
	Event response	0.105	5
Security functions	Security audit	0.069	10
	Identification authentication access control	0.118	2
	Data protection	0.105	4
	Security function management	0.087	7
	State management	0.090	6

The highest priority among all criteria on the field device layer is shown in bold.