Wikipedia- https://en.wikipedia.org/
Wikipedia Dark Mode- https://wikidark.org/
Simple Wikipedia- https://simple.wikipedia.org/
Computer Wikia- https://computer.fandom.com/
Install Gentoo Wiki- https://wiki.installgentoo.com/
Wikiversity- https://en.wikiversity.org/
Pentest Wiki- https://pentestwiki.org/

Starter Pages
https://simple.wikipedia.org/wiki/Hacker
https://en.wikipedia.org/wiki/Information_security
https://en.wikipedia.org/wiki/Security_hacker
https://en.wikiversity.org/wiki/Information_Systems/Security