Added information about security issues

pages/index/11.php

@@ -64,6 +64,9 @@
   </table>
 </form>
 
+<p><b><?=_("Security Issues")?></b></p>
+<p><?=_("Please use any of the following ways to report security issues: You can use the above contact form for sensitive information. You can email us to support@cacert.org. You can file a bugreport on <a href='https://bugs.cacert.org/'>bugs.cacert.org</a> and mark it as private.")?></p>
+
 <p><b><?=_("Snail Mail")?></b></p>
 <p><?=_("Alternatively you can get in contact with us via the following methods:")?></p>