IAM 101: RBAC, ABAC, and PBAC – Choosing the Right Access Model

TL;DR Access control models define who can access what within your systems—and more importantly, under what conditions. The most common models—RBAC (Role-Based Access Control), ABAC (Attribute-Based Access Control), and PBAC (Policy-Based Access Control)—offer different strengths depending on your organization’s complexity, compliance needs, and operational maturity. In this post, we’ll explore each model, compare real-world use cases, and help you decide which approach fits your identity strategy. 🔍 Background In the IAM world, authorization is the engine that drives secure access—yet it’s also where things get messy....

May 21, 2025 · 5 min · Jay Klinkowsky

Least Privilege and RBAC Policy

Least Privilege and Role-Based Access Control (RBAC) Policy Overview This policy enforces the principle of least privilege and establishes role-based access control (RBAC) standards for all identities—human and non-human—across company systems, applications, and data. Its objective is to minimize risk, reduce the attack surface, and ensure that each identity is granted only the minimum access required for their legitimate business function. Scope This policy applies to all users (employees, contractors, third parties) and non-human identities (service accounts, APIs, automation bots, application integrations, etc....

3 min · Jay Klinkowsky