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