A Prologue to Enumerated Authorization Policy ABAC Model.

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Presentation transcript:

Prosunjit Biswas UTSA prosun.csedu@gmail.com A Prologue to Enumerated Authorization Policy ABAC Model. Prosunjit Biswas UTSA prosun.csedu@gmail.com

Recap Attribute Example of attributes What is not an attribute?

Recap Attribute based policy

Recap Attribute Based Access Control (ABAC)

Why ABAC? Pseudo Identity Privacy “Beautiful lady at the bar” problem

Why ABAC? Establishment of the missing link Eliminating human from the loop Assignment/de-assignment Users Roles Permissions Figure 1: RBAC Frequently changing mostly static Missing link Attributes User Attributes Policy Permissions mostly static mostly static Establishment of the missing link Figure 2: ABAC

Problem in the adaption of ABAC Performance Large set of attributes Different attribute sources Unstructured policy References: [1] http://security.stackexchange.com/questions/37276/what-are-the-advantages-disadvantages-of-attribute-based-access-control

LaBAC restricts ABAC Restrict number of attributes Restrict policy structure ABAC LaBAC

Label-Based Access Control: An ABAC Model with Enumerated Authorization Policy.

Terminologies Label Enumeration

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