Finally, clean hacked wordpress site will also inform you that there's no htaccess inside the directory. You may place a.htaccess record in to this directory if you want, and you can use it to manage usage of this wp-admin directory from Ip Address address or address range. Details of how you can do this are plentiful around the net.
You can search. If hackers suddenly hack your site, you can restore your website with the use of your backup files and change everything that has to be changed.
Keep your WordPress Setup to date - One of the simplest and most valuable tasks you can do yourself is to make sure your WordPress installation is updated. WordPress provides a notice on your dashboard to you, so there is really no reason.
You can make a firewall that blocks hackers. The hacker is prevented by the firewall from coming to your files. You also link have to have version of Apache. Upgrade your PHP as well. It's essential that your system is always filled with upgrades.
Change your WordPress admin and password username, or at least your password and collect and utilize other WordPress security tips to keep hackers out!