There is one interactive session for this module, see the schedule for date and time. Before that session, work through this module on ScalableLearning. There are also reading instructions in the study guide (Section 3.5).

Evaluating and designing authentication is a lab/seminar which focuses on evaluating the usability and security of common authentication methods. It also looks towards better alternatives. This is spread over two sessions. (See the schedule for date and time.)