Unless your website is very low traffic, the Amazon micro instance will not hold up very well and you find that stepping up to the medium or large instance (= more money) may be required.
That said, there are too many ways to list here to check that any Apache server is secure. this Google search will get you started.
http://goo.gl/SM9sB
That said, there are too many ways to list here to check that any Apache server is secure. this Google search will get you started. http://goo.gl/SM9sB