Attribute-based access control: Difference between revisions

Revision as of 14:08, 7 March 2022

Revision as of 20:38, 11 March 2022

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'''Attribute-based Accessaccess Controlcontrol''' ('''ABAC'''), also known as '''Policypolicy-based Accessaccess Controlcontrol''' for [[Identity management|IAM]], defines an access control paradigm whereby access rights are granted to users through the use of policies which combine attributes together.<ref>{{Cite web|last=Computer Security Division|first=Information Technology Laboratory|date=2016-05-24|title=Attribute Based Access Control {{!}} CSRC {{!}} CSRC|url=https://csrc.nist.gov/Projects/Attribute-Based-Access-Control|access-date=2021-11-25|website=CSRC {{!}} NIST|language=EN-US}}</ref> The policies can use any type of attributes (user attributes, resource attributes, object, environment attributes etc).

This model supports Boolean logic, in which rules contain "IF, THEN" statements about who is making the request, the resource, and the action. For example, IF the requester is a manager, THEN allow read/ write access to sensitive data.

The NIST framework introduces the main concepts of ABAC as its entities, i.e. Policy Administration Point (PAP), Policy Enforcement Point (PEP), Policy Decision Point (PDP) and Policy Information Point (PIP).<ref>{{Cite web|last=NIST|first=ABAC|date=2014|title=Guide to Attribute Based Access Control (ABAC) Definition and Considerations|url=https://nvlpubs.nist.gov/nistpubs/specialpublications/NIST.SP.800-162.pdf|url-status=live|archive-url=https://web.archive.org/web/20140207071219/http://nvlpubs.nist.gov:80/nistpubs/specialpublications/NIST.sp.800-162.pdf |archive-date=2014-02-07 |access-date=|website=}}</ref><ref>{{Cite web|last=NIST|date=2016|title=A Comparison of Attribute Based Access Control (ABAC) Standards for Data ServiceApplications|url=https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-178.pdf|url-status=live|archive-url=https://web.archive.org/web/20161019230109/http://nvlpubs.nist.gov:80/nistpubs/SpecialPublications/NIST.SP.800-178.pdf |archive-date=2016-10-19 |access-date=|website=}}</ref>