I noticed they have some very handy commented code that you can use to your advantage to parse out the rest of the page.
<?php
$fcontents = implode (' ', file('http://securityresponse.symantec.com'));
$start = strpos($fcontents,"<!-- SECURITY ADVISORIES LIST start -->");
$end = strpos($fcontents,"<!-- SECURITY ADVISORIES LIST end -->");
$fcontents = substr($fcontents,$start,$end - $start);
echo $fcontents;
?>
Walaah!
working example:
http://www.elitefxgames.com/parse/parse2.php