Research Article

Security Measurement for Unknown Threats Based on Attack Preferences

Table 3

The attack probability for 7 nodes.
(a)

TimeNode1Node2Node3Node4
vul1vul2totvul1vul2vul3totvul1totvul1vul2vul3tot

0.250.060.30.1600.130.270.340.340.220.130.160.43
0.15110.7500.160.79000.350.410.750.9
0.3400.340.1800.090.25000.490.270.110.67
0.1700.170.2600.050.30.150.150.590.340.230.79
0.2200.220.5700.160.640.050.050.610.020.640.86
0.300.30.630.1500.690000.170.370.47
0.5100.510.670.260.030.760000.060.190.23
0.0600.060.180.210.150.450.160.1600.190.280.41
0000.380.440.120.690.220.2200.250.440.58
0.1400.140.470.370.170.720.130.1300.080.630.66

(b)

Time Node5Node6Node7
vul1vul2vul3vul4totvul1vul2vul3totvul1vul2vul3tot

0.440.340.110.080.70.660.340.850.970.740.340.140.85
0.230.190.250.160.610.340.640.120.790.160.190.220.46
0.1210.650.210.620.350.340.840.260.080.30.52
0.290.050.210.220.580.150.840.060.870.690.090.340.81
0.560.120.760.380.940.080.710.180.780.140.150.420.58
0.180.20.430.610.8500.340.310.540.710.340.440.89
0.340.140.230.420.750.1500.440.520.290.370.380.72
0.120.080.050.40.540.3500.60.740.030.240.390.55
0.740.660.010.060.920.2800.180.410.470.120.270.66
000000.9100.20.930.180.090.160.37