3 Videos for Authentication 01

In this video, we introduce the Authentication 01 challenge from the Essential Badge. The focus is on understanding the handling and security of authentication tokens in web applications.

In this video, we explore the first authentication exercise of the essential badge. We demonstrate how to exploit an information leak and manipulate cookies to gain unauthorized access as an admin user.

In this video, we conduct a code review of the "Authentication 01" challenge, part of the essential badge series. We examine how user authentication is implemented in the provided PHP code and identify a critical security flaw related to user-controlled cookies.