BuddyPress.org

this is what i do for security, can i add somthing? am i missing somthing?
what you use for securing custom plugin form?
tia

`if (isset($_POST)) {

foreach ($_POST as $key => $value )
{
wp_filter_kses( $value );
$data[$key] = $value;
}
$nonce=$_REQUEST;

if (! wp_verify_nonce($nonce, ‘whatever’) ) die(“Security check”);`