Active Defense Strategy Selection Method Based on Two-Way Signaling Game

Table 4

Attack-defense strategy and operating cost.

Atomic attack action					Atomic defense action
	a1	a2	a3	a4		d1	d2	d3	d4
Install listener program	√	√	√	√	Uninstall listener program	√	√	√
Remote buffer overflow	√	√	√		Buffer overflow protection	√	√
Install delete Trojan	√				Uninstall delete Trojan	√	√
Attack SSH on FTPServer	√	√			Restart FTPserver	√		√	√
Steal account and password	√		√	√	Change account and password		√	√	√
Raise authority	√	√			Delete suspicious account	√	√	√
Remote code injection	√	√			Identify code injection	√
Violent crack password			√	√	Increase password complexity	√	√	√	√
AC	480	460	240	220	DC	680	640	440	410
DAC	80	70	30	20	DDC	100	80	40	30