Iran Cyber attack downed US drone

Well, cyber warfare at full scale, Iran claims to of downed an US drone. More recently two use drones was infected by a breach while still on US ground and now this. There has been a video surface of the downed drone which shows the 26meter wing span and its prefect condition which backs the claims that it was taken down by a cyber attack. Is this the start of new way fo war? where they use unmaned planes to spy, and they can be taken down by cyber attacks? either way its showing that the cyber warfare issue is a real one. more info