Lesson Plan Title: How to Bypass Fail Open Authentication

Concept / Topic To Teach:

This lesson presents the basics for understanding the "fail open" condition regarding authentication. The security term, “fail open” describes a behavior of a verification mechanism. This is when an error (i.e. unexpected exception) occurs during a verification method causing that method to evaluate to true. This is especially dangerous during login.

General Goal(s):

The user should be able to bypass the authentication check.