In Kerberos, the Ticket Granting Ticket (TGT) is used for which of the following?

The correct answer is C. Authentication. In Kerberos, the TGT is issued by the Key Distribution Center (KDC) - specifically the Authentication Server (AS) - after a user successfully proves their identity (e.g., with their password). The TGT is a proof of authentication that the user can then present to the Ticket Grant

General security concepts

Question

Options

AIdentification
BAuthorization
CAuthentication
DMultifactor authentication

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(57 responses)

A
2% (1)
B
7% (4)
C
89% (51)
D
2% (1)

Explanation

In Kerberos, the TGT is issued by the Key Distribution Center (KDC) - specifically the Authentication Server (AS) - after a user successfully proves their identity (e.g., with their password). The TGT is a proof of authentication that the user can then present to the Ticket Granting Service (TGS) to obtain service tickets for individual resources without re-entering credentials. It is an authentication artifact, not an authorization one. Authorization is handled separately by the resource itself after the service ticket is presented. The TGT does not perform identification (which happens before it is issued) or MFA by itself.

Topics

#Kerberos#TGT#authentication#ticket-based auth

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