No. That is not a thing. Big companies have full-time employees dedicated to cleaning up hacks and defending against them.
What it will do is make your site much harder to hack. We'll monitor activity so that we'll know if there is an attack happening, provide fixes and clean up if a hack does happen, and a few other perks (as shown above). Think of it like this: You can have deadbolts, alarms, cameras and the best insurance on your house. But, that doesn’t prevent someone from wanting to break in. You’re just making it VERY hard for them to do so!