From the course: Web Security: User Authentication and Access Control
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The importance of authentication
From the course: Web Security: User Authentication and Access Control
The importance of authentication
- [Instructor] Let's begin by looking at what user authentication is and why we use it. Authentication is a process which confirms a person's identity. It ensures that a person is authentic, that they are who they say they are. Authentication is a fundamental tool for controlling access. We usually authenticate someone before we grant them access to an area or before we allow them to perform certain actions. Authentication and access control go hand in hand. Authentication and access control are used in technology, but they're also used in the real world. In fact, the key is one of the simplest forms of authentication and access control. Anyone who possesses the key to a lock is authorized to have access to whatever it secures. It might be access to a building, an elevator, a room, or a filing cabinet. If you have the key, access is permitted. Authentication has become ubiquitous on the web. Most websites have special…
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