Learn SAML: The Language You Don't Know You're Already Speaking Security Assertion Markup Language, a protocol most people use daily to log into applications, makes authentication easier for both admins and users. Here's what you need to know about SAML (and what it has to do with "GoldenSAML"). Security Assertion Markup Language (SAML): You may have heard of it. You've likely used it at least once today to log into a website portal or enterprise application. But what is SAML? How does it work? And why do you need to know about it? (Source: Mykyta via Adobe Stock) What Is SAML?