IT vs OT Cyber Security Differences

The term Cyber Security is very well known and we have seen the increase in its usage over the years. Taking some data from Google Trends on the search term "cyber security" since 2010 we can see a steady increase over time.

At first glance, this seems to make sense:

Over time as the usage of the internet increases, then hacks and cybercrime increases, so does the concept of Cyber Security.

But there's something missing in this picture. 2 Interesting pieces in so far as google trends search terms are interesting.

When you compare it with the term "hacker" it