alcune abbastanza entry level altre meno
https://it.wordpress.org/plugins/tags/security
http://www.webhostinghub.com/help/learn/website/website-help/website-hacked
http://www.wpcorsi.it/come-fare/gestione-permessi-dei-file-wordpress/
One Best Security Plugin For WordPress or Combination of Plugins?
https://xlogic.org/blog/i-migliori-plugin-per-la-sicurezza-di-wordpress.html/