Authentication vs. Authorization

Authenticationnoun

something which validates or confirms the authenticity of something

Authenticationnoun

(computing) proof of the identity of a user logging on to some network

Authenticationnoun

a hallmark or assay-mark on a piece of metalwork

Authenticationnoun

a mark on an article of trade to indicate its origin and authenticity.

Authenticationnoun

validating the authenticity of something or someone.

Authenticationnoun

a mark on an article of trade to indicate its origin and authenticity

Authenticationnoun

validating the authenticity of something or someone

Authentication

Authentication (from Greek: αὐθεντικός authentikos, , from αὐθέντης authentes, ) is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity, authentication is the process of verifying that identity.

Authorizationnoun

(uncountable) Permission.

Authorizationnoun

(countable) An act of authorizing.

Authorizationnoun

(countable) (A document giving) formal sanction, permission or warrant.

Authorizationnoun

(government) Permission, possibly limited, to spend funds for a specific budgetary purpose.

Authorizationnoun

The act of giving authority or legal power; establishment by authority; sanction or warrant.

Authorizationnoun

a document giving an official instruction or command

Authorizationnoun

the power or right to give orders or make decisions;

Authorizationnoun

official permission or approval;

Authorizationnoun

the act of conferring legality or sanction or formal warrant

Authorization

Authorization is the function of specifying access rights/privileges to resources, which is related to general information security and computer security, and to access control in particular. More formally, is to define an access policy.