SITE IS UNDER ATTACK! Security update for elgg VIP

Can we use this for a plugin for elgg? It would really help!

Please provide feedback and any replys at all about this extra added security, someone has been trying to hack my site for 3 weeks now and i am looking for more ways to protect my server and site they have been adding index.html files to my server again and again, i dont know how they are acessing my server or ftp