Level of uncertainty

Indicator

Static defense

Optimal defense

11

12

0

0

Attack intensity (% rounds)

0.0

2.4

100.0

100.0

Avg. gross return (% asset)

3.4

3.1

2.5

2.5

Avg. security spending (% asset)

1.6

1.9

0.0

0.0

0.0

0.6

25.0

25.0

ROSI (% security spending)

51.5

31.2

-

-

Dynamic defense w/o sunk costs

Optimal proactive defense

11

9

7

3

Attack intensity (% rounds)

0.0

6.1

15.7

32.7

Avg. gross return (% asset)

3.4

3.2

3.0

2.7

Avg. security spending (% asset)

1.6

1.5

1.6

1.4

0.0

1.5

3.9

8.2

ROSI (% security spending)

51.5

52.8

35.2

18.9

Dynamic defense w/ sunk costs

Optimal proactive defense

11

10

9

0

Attack intensity (% rounds)

0.0

2.9

9.8

100.0

Avg. gross return (% asset)

3.4

3.1

2.7

2.5

Avg. security spending (% asset)

1.6

1.6

1.9

0.0

0.0

0.7

2.5

25.0

ROSI (% security spending)

51.5

50.6

15.7

-

Memo items: no defense

Avg. gross return (% asset)

2.5

2.5

2.5

2.5

25.0

25.0

25.0

25.0