Security risk evaluation device, security risk evaluation method and security risk evaluation program
A technology of safety risk and evaluation device, which is applied in the field of evaluating personal safety risk, and can solve problems such as difficult quantification and interpretation of causal relationships.
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Embodiment approach 1
[0044] according to Figure 1 to Figure 7 , which describes a method of quantitatively and automatically calculating an individual's security risk in consideration of the degree of information disclosure of the individual and the degree of information disclosure of persons having a relationship with the individual.
[0045] ***Description of structure***
[0046] according to figure 1 , the structure of the security risk assessment device 100 will be described.
[0047] The security risk assessment device 100 is a computer including hardware such as a processor 101 , a memory 102 , an auxiliary storage device 103 , an input interface 104 , and a communication device 105 . These pieces of hardware are connected to each other via signal lines.
[0048] The processor 101 is an IC (Integrated Circuit, integrated circuit) that performs arithmetic processing, and controls other hardware. For example, the processor 101 is a CPU (Central Processing Unit, central processing unit), ...
Embodiment approach 2
[0183] Regarding the method of calculating the related risk in consideration of the degree of relationship between the subject person and the related person, points different from Embodiment 1 will be mainly described.
[0184] ***Description of structure***
[0185] The structure of the security risk assessment device 100 is the same as that in Embodiment 1 (see Figure 1 to Figure 3 ).
[0186] ***Description of actions***
[0187] The steps of the safety risk assessment method are the same as those in Embodiment 1 (refer to Figure 4 ).
[0188] However, in step S110 , the person network detection unit 110 generates a person network graph of the subject person.
[0189] For example, the recursive control unit 113 adds a node to be processed to the person network graph for each recursive search process, thereby generating a person network graph of the target person.
[0190] The person network graph of the subject person is the same as that described in the first embodi...
Embodiment approach 3
[0216] Regarding the method of calculating the association risk considering the attack from all the relational node to the object node, according to Figure 8 , the points different from Embodiment 1 will be mainly described.
[0217] ***Description of structure***
[0218] The structure of the security risk assessment device 100 is the same as that in Embodiment 1 (see Figure 1 to Figure 3 ).
[0219] ***Description of actions***
[0220] The steps of the safety risk assessment method are the same as those in Embodiment 1 (refer to Figure 4 ).
[0221] However, in step S110 , the person network detection unit 110 generates a person network graph of the subject person.
[0222] For example, the recursive control unit 113 generates a temporary person network graph by adding a node to be processed to the person network graph for each recursive search process.
[0223] The temporary character network graph is the character network described in the first embodiment.
[02...
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