Research Article

The Application of Baum-Welch Algorithm in Multistep Attack

Table 2

The state transition matrix of DDoS_HMM.

ā€‰State1State2State3State4State5

State10.0001.0000.0000.0000.000
State20.0000.1770.8230.0000.000
State30.0000.2280.6880.0280.056
State40.0000.0000.0000.7500.250
State50.0000.0000.0000.0000.000