Best (preferably free) resources to prepare for the Security+ cert

Hello, I am curious on what resources that you used that helped you prepare for your Security+ cert as I am looking for some good resources to use. I have heard about professor Messer but I am wondering if there are any others that are better or more helpful.

Also I heard that the questions regarding the Security+ exam can be pretty tricky as the way that Comptia words their questions can be hard if you are not used to …

cybersecurity free resources security