When you enable SAML authentication in the domain, you can enable one or more of the following enhanced authentication modes: request signing, encrypted assertion, and signed response. For more information, see the

Informatica 10.5 Security Guide

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You can use Oracle Access manager, Okta SSO, and Azure Active Directory identity providers to manage SAML authentication on the domain for web applications. For more information, see the H2L article about each identity provider on the Informatica Documentation Portal.