SaaS

What is SSO (Single Sign-On)?

Definition

An authentication mechanism that lets users access multiple applications with a single set of credentials. SSO reduces password fatigue, improves security posture, and is a standard requirement for enterprise software procurement.

Related Terms

RBAC (Role-Based Access Control)SaaS

A security model that restricts system access based on assigned user roles rather than individual permissions. RBAC simplifies administration in large teams and helps organizations enforce least-privilege principles.

SLA (Service Level Agreement)SaaS

A formal contract between a service provider and customer that defines measurable performance guarantees such as uptime percentage, response times, and remedies for breaches. Enterprise SaaS buyers typically require 99.9% or higher uptime SLAs.