Table 5 Quantification of the cost–benefit of the attacker’s strategy.

From: Security risk assessment of projects in high-risk areas based on attack-defense game model

Type of attacker

Classification of attack costs and consequences

Costs

Benefits

Examples of attack strategy

Law and order/criminal elements

The enemy’s goal is straightforward, it uses few, simple resources without careful planning, and it has minimal effects on the project

0–20

0–30

Demonstration riots/Protests

The enemy's goal is financial gain, it use a small number of simple techniques with well-planning, and it has some effects on the project

21–40

31–50

Kidnapping for extortion

The enemy's goal is financial gain, it use a select few specialist tools with well-planning, and endanger the assets of the project

41–50

31–50

Theft

The enemy's goal is financial gain or social connections, it use a select few specialist weapons and tools with well-planning, and results in casualties among the staff of the project

51–70

51–70

Assassination/Shooting

The enemy's goal is to influence society by well-planned use of explosives, bombs, and other powerful fatal weapons that will have a negative impact on the project

70–100

71–100

Explosion

Local armed elements/terrorists

The enemy’s goal is financial gain or to influence society, it use weapons and equipment with well-planning, results in casualties among the staff of the project and more destructive power than criminal and public security crimes

0–50

0–60

Kidnapping for ransom

The enemy is for ethnoreligious or political ends, it use firearms and other weapons with well-planning, results in casualties among the staff of the project and more destructive power than criminal and public security crimes

51–60

61–70

Assassination/Shooting

The enemy is for ethnoreligious or political ends or to exert social influence, it use weapons, bombs, and explosives with well-planning, results in casualties among the staff and property losses of the project and harm to project operations

61–80

71–100

Explosion/Bombing

The enemy is for ethnoreligious or political ends or to exert social influence, it use weapons, guns,bombs, and explosives with well-planning, results in casualties, the loss of property and facilities, and harm to the project’s ability to function

81–100

71–100

Armed Attack