Websites are under constant attack by hackers and spammers. Especially Content Management Systems are vulnerable to these kinds of attacks. SQL Injections, File Insertion with Malicious code, hijacking of your hosting account email system. On this video will show you how to setup a Firewall on Joomla! 3 with RSFirewall, and will also talk a bit about Joomla! security in General. We hope you'll find it helpful.