![]() This multi-factor authentication (MFA) requirement is often deployed to increase security beyond what passwords alone can provide. In some instances, systems require the successful verification of more than one factor before granting access. A user presents a fingerprint or eye scan to gain access to the system. Generate security codes via an outside party that grants access. Grant access for only one session or transaction. If a user enters the correct data, the system assumes the identity is valid and grants access. ![]() Usernames and passwords are the most common authentication factors. This is the first step in any security process. What Is Authentication?Īuthentication is the act of validating that users are whom they claim to be. While authentication and authorization might sound similar, they are distinct security processes in the world of identity and access management (IAM). Authorization gives those users permission to access a resource. What's the difference between authentication and authorization? Authentication confirms that users are who they say they are.
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