It's the same with how people think the pasts didn't have as much crimes. It's because you didn't knew about it. All companies had their own way of hacking and

It's the same with how people think the pasts didn't have as much crimes. It's because you didn't knew about it. All companies had their own way of hacking and making their system worked. But they didn't share it. Twenty years agoes, what big company shares their infrastructure knowledges as open sources? Now things are being shared and learned together.