Think about every worm, every virus, every exploit discovered in the past 30 years. They're known today but they weren't (at least publicly, cough NSA) known a

Think about every worm, every virus, every exploit discovered in the past 30 years. They're known today but they weren't (at least publicly, cough NSA) known and mitigated 30 years ago. But the further you go back, the less dependence on computers and networking there is so cyberwarfare becomes less useful.