https://i.imgur.com/qFnFp4C.jpg
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.
Stacking penalties
1 - 100%
2 - 86.912%
3 - 57.104%
4 - 28.247%
5 - 10.59%