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What is the comparison between Authentication and Authorization in Information Security?
Authentication is the procedure of providing that an individual is the person that they claim to be. This contains matching a person’s claimed identity asserted through a credential (such as an ID card or unique ID number) against one or more authentication factors that are destined to that credential.
Authentication is about validating the credentials such as User Name/User ID and password to verify the identity. The system decides whether it can what it can say and it is using the credentials.
In public and private networks, the system authenticates the user identity through login passwords. Authentication is usually completed by a username and password, and sometimes in conjunction with factors of authentication, which define the several ways to be authenticated.
Authentication factors decide the several elements the system use to verify one’s identity prior to permitting that and it can access to anything from accessing a document to requesting a bank transaction.
Authorization is a security structure can determine user/client privileges or access levels related to system resources, such as computer programs, files, services, information and application features.
An authorization policy indicates what the identity is enabled to do. For instance, any customer of a bank can make and use an identity (such as user name) to log into that bank's online service but the bank's authorization policy should provide that only it can authorized to access the individual account online once the identity is verified.
Authorization can be used to more granular method than simply a website or company intranet. An individual identity can be contained in a set of identities that share a common authorization policy.
For example, suppose a database that include both customer buy and a customer's personal and credit card data.
A merchant can make an authorization policy for this database to enable a marketing team access to all customer purchases but avoid access to all customer personal and credit card data, therefore that the marketing team can identify famous products to promote or put on sale.
Let us see the comparison between Authentication and Authorization.
|Authentication is the procedure of
recognizing a user to support access to a
system.||Authorization is the procedure of
providing permission to access the
|It decides whether user is what it can
claims to be.||It decides what user can and cannot
|Authentication credentials can be
partially modified by the user according
to the requirement.||Authorization permissions cannot be
modified by the user. The permissions
are likely to a user by the
owner/manager of the system, and it
can only change it.|
|Authentication generally needed a Authentication factors needed for
username and a password.||authorization may vary, based on the
|Data is supported through the Token
Ids.||Data is supported through the access
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