Security status of -2.0 or below means you'll be attacked in 1.0 systems. Security status of -2.5 or below means you'll be attacked in 0.9 systems. Security status of -3.0 or below means you'll be attacked in 0.8 systems. Security status of -3.5 or below means you'll be attacked in 0.7 systems. Security status of -4.0 or below means you'll be attacked in 0.6 systems. Security status of -4.5 or below means you'll be attacked in 0.5 systems.