Individuals with access to giant botnets tend not to blow it on soft targets. I think it's reasonable to build systems that are resistant to attacks up to but

Individuals with access to giant botnets tend not to blow it on soft targets. I think it's reasonable to build systems that are resistant to attacks up to but not including the superpower level. The worst part is the human factor. The more people involved, the easier it is to compromise one of those people.