g input data for security.</p>

<h2>XSS Filtering</h2>

<p>CodeIgniter comes with a Cross Site Scripting Hack prevention filter which can either run automatically to filter
all POST and COOKIE data that is encountered, or you can run it on a per item basis.  By default it does <strong>not</strong>
run globally since it requires a bit of processing overhead, and since you may not need it in all cases.</p>

<p>The XSS filter looks for commonly used techniques to trigger Javascript or other types of code that 