Least Privilege
Foundational concept — no prerequisites needed
A security principle that grants users, applications, and systems only the minimum access rights and permissions necessary to perform their required tasks, reducing the attack surface and blast radius.
About Least Privilege
A security principle that grants users, applications, and systems only the minimum access rights and permissions necessary to perform their required tasks, reducing the attack surface and blast radius. This is a beginner-level concept in the Authorization, Zero Trust, Governance domain. Related topics include authorization, zero-trust, identity-governance.
Frequently Asked Questions
What is Least Privilege?
A security principle that grants users, applications, and systems only the minimum access rights and permissions necessary to perform their required tasks, reducing the attack surface and blast radius.
How does Least Privilege work?
Least Privilege works by providing key functionality for identity management, access control, and security. It integrates with other identity components to deliver secure, standards-based workflows in enterprise and consumer applications.
What is Least Privilege used for?
Least Privilege is used in digital identity systems to support secure authentication, authorization, and identity lifecycle management. Common use cases include single sign-on, access governance, API security, and regulatory compliance.
What are the benefits of Least Privilege?
The key benefits of Least Privilege include improved security posture, streamlined user experience, reduced operational overhead, and better compliance with privacy regulations. Organizations adopting Least Privilege can achieve stronger access controls and simplified identity management.
Least Privilege vs rbac?
While Least Privilege and rbac are related concepts in digital identity, they serve different purposes. Least Privilege focuses on a security principle that grants users, applications, and systems only the minimum access rights and permissions necessary to perform their required tasks, reducing the attack surface and blast radius, whereas rbac addresses a complementary aspect of identity and access management. Understanding both is essential for building comprehensive security architectures.
Related Books
Zero Trust Networks
Evan Gilman
Zero Trust Networks
Evan Gilman, Doug Barth
Zero Trust Networks provides a thorough examination of the zero trust security model, where nothing inside or outside the network perimeter is trusted by default. The book covers network architecture, device trust, user trust, application trust, and how to build systems that verify every request regardless of source.
Privileged Attack Vectors
Morey J. Haber
Privileged Attack Vectors
Morey J. Haber
This book examines how attackers exploit privileged accounts and provides comprehensive guidance on building a privileged access management program. It covers PAM architecture, credential vaulting, session management, just-in-time access, and measuring PAM program effectiveness.
IAM for Cloud Infrastructure
Marcus Young
IAM for Cloud Infrastructure
Marcus Young
A practical guide to identity and access management across major cloud platforms. Covers AWS IAM, Azure AD (Entra ID), and GCP IAM including policies, roles, service accounts, cross-cloud identity federation, and infrastructure-as-code for IAM.