Single Sign-On has been added to Blackboard. If you are using a bookmark to get to Blackboard, you will need to update it to blackboard.towson.edu. Anyone who has difficulties logging in on a browser should try clearing their cache. If you are using a mobile app, please sign out and log in again by searching for Towson University. If you are unable to log in, please contact OTS at 410-704-5151.