WordPress Security useful resources?

Question

Information Security

I would like to know or hear recommendations on manuals, blogs, resources, both Russian and bourgeois, to ensure the security of Wordpress research, methods, recommendations.
But I ask you to give not only what falls out on the first request in Google, but really really useful links !!!
All the best and thanks in advance !!!

Answer 1

Keeping WordPress and plugins up to date is the best solution