The company should implement Security Assertion Markup Language (SAML) to integrate the vendor's security tool with their existing user directory. SAML is an open standard that allows identity providers (IdP) to pass authorization credentials to service providers (SP), enabling Single Sign-On (SSO). This allows the company to use its existing directory services for authentication, avoiding the need to manage a separate set of user credentials for the new tool.
[References:, CompTIA Security+ SY0-701 Course Content: Domain 4: Identity and Access Management, which includes SAML as a key identity federation standard for SSO., CompTIA Security+ Study Guide (SY0-601): Chapter 8, "Identity and Access Management," details the role of SAML in enabling SSO by utilizing an existing identity provider., , , , ]
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