Duo Federal is now the Lab's two-factor authentication solution - Everyone who uses Duo must re-enroll at duo-fed-enroll.bnl.gov in order to retain their access. Those who have been using a YubiKey for two-factor authentication must to get a new one. Just arrange to pick it up at ITD customer support at no charge (1-631-344-5522, itdhelp@bnl.gov).