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

Table 10

Comparison of the approaches for the ICS information security.

Parameters	Approaches
	Choi [12]	Ko et al. [13]	Hoon Nah and Na [11]	TTAK.KO-12.0307 [10]	Proposed approach
Proposed exclusive security requirements	No	Yes	Partially yes	Yes	Yes
Utilization of a standard	No	No	Yes	Yes	Yes
Concept of ICS layers	Not considered	3 levels (according to data sensitivity)	Not considered	3 layers (security reference model)	3 layers (security reference model)
Security requirements priority analysis	Yes	Yes	Not considered	Not considered	Yes
Security resource investment decision	Using the risk evaluation checklist	Using the number of vulnerabilities in the attack path	Not considered	Not considered	Using the priorities
Usability as a guidelines	Partially possible	Partially possible	Partially possible	Impossible	Possible