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

Table 7

AHP result of hierarchy II on the field device layer.

Hierarchy I	Hierarchy II	Importance	Priority	C.I.
Network robustness	Fuzzing test	0.473	2	0.00
	Stress test	0.527	1
Service continuity	Resource availability	0.292	3	0.02
	Physical interface protection	0.375	1
	Event response	0.333	2
Security functions	Security audit	0.115	5	0.05
	Identification authentication access control	0.243	2
	Data protection	0.219	3
	Security function management	0.167	4
	State management	0.256	1

The highest priority of each hierarchy on the field device layer is shown in bold.