Outpost liberation is one of the key elements in Far Cry. Far Cry 5 is no different with plenty of outposts to clear and cash bonuses for doing it quietly.

There are two type of bonuses, no alarm bonus which doesn't necessarily mean you disabled the alarms, but you liberated the outpost without an alarm being sounded.

The other bonus is undetected. That's when you are never detected by an enemy before liberating the outpost. In order to liberate the outpost, you must eliminate every enemy. Not getting detected can be a trial and error situation and if you are going for the no alarm bonus you'll have to restart the mission before the outpost is cleared or else auto-save will work against you.

This video is just a No Alarm Bonus which I obtained without disabling a single alarm. I got lucky but I'll take it.