Security? We have team of experts monitoring server all the time, firewalls, ddos protection and more magical things goign i nthe background making sure everything is secure.
How did it ever enter your head that the above is sufficient? Or that it actually means anything? See
here, and move this post to Service Announcements (or better yet, delete the thing and come back if you eventually figure out what these concepts you're throwing around actually involve) --it doesn't belong in general discussion.