What is threat intelligence (cyber security)?

[reCAPTCHA]

I just got to learn about TI (threat intelligence) in my high school.
I need some advice - helpful website for get useful information and thesis dealing with cyber security

 

[berkeman]

Welcome to the PF.

What have you found via Google so far?

 

[reCAPTCHA]

Welcome to the PF.

What have you found via Google so far?

"An introduction to threat intelligence" - NCSC
I want more English documents but as I use Asia server, it is hard to find appropriate things.
It takes time so long to find and translate each data, and most of data I found didn't contain what I want to get.