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Extensible Access Control Markup Language (XACML)

Definition - What does Extensible Access Control Markup Language (XACML) mean?

Extensible Access Control Markup Language (XACML) is a system for using Extensible Markup Language (XML) conventions to address security and access protocols for the Web or for particular applications. Since 2003, this form of XML has enabled businesses and organizations to control aspects of digital security.

Techopedia explains Extensible Access Control Markup Language (XACML)

XACML is supposed to foster universal interoperability between various types of access control systems. With things like rule-based access control, XACML consolidates authorization and access policies to automate security in key ways. However, there is a lot of controversy about the use of XACML — how widespread it may be, what it can do, and what it is supposed to do, or its intended purposes. Experts contrast XACML other tools like OAuth, which also regard authentication and Web or digital security in similar yet different ways.

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