SSO, Browser Extensions, or Expense Data? A Practical SaaS Discovery Tool Comparison for 2026

A practical comparison of SaaS discovery methods, explaining how SSO, browser extensions, expense data, and CASB each work, where they fail, and how to combine them into a continuous discovery program for IT, security, and finance. According to Gartner in 2026, 82% of enterprises use multiple SaaS discovery methods for comprehensive visibility.