If you run a Joomla website, you should think about the security a bit!
Unfortunately, popular content management systems such as Joomla are repeatedly targeted by hackers. Most of them want to distribute spam mails and that harms your web server, your domain or IP by blacklists and especially your nerves. But not only spam emails are the target also the spreading of viruses, the stealing of passwords, the forwarding on profitable Urls or the shutdown of the Website can be the reason for a hacker attack.
Read more: Joomla! Security tips