repair hacked wordpress site will also inform you that there's not any htaccess inside the directory. You can put a.htaccess record into this directory if you would like, 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 that are plentiful around the internet.
Everything you've worked for will proceed with this, should the server of your site return. You will make no sales, get signups or no visitors to your site, until you have the site back up 32, and in short, you are out of business.
It's a WordPress plugin. They're drop dead easy to set up, have all the functions you need for a job like this, and are web relatively inexpensive, especially when compared to having to hire someone to get this done for you.
Along with adding a secret key to your wp-config.php file, also think about changing your user password to something that's strong and unique. A great tip is to avoid phrases, use letters, and include amounts, although wordPress will let you know the strength of your password. It's also a good idea to change your password frequently - say once every six months.
Keep in mind that the security of your sites depend on how you handle them. Make certain that you follow these tips to avoid exploits and hacks on sites and your own blogs.