Product Support Identity and Access Management × Identity and access management basics View DocumentationFAQs × Identity and Access Management Tools Entrust Identity App Entrust Identity App × Frequently Asked Questions FAQ What is identity and access management? FAQ What is Identity as a Service? FAQ What is multi-factor authentication (MFA)? FAQ What is Zero Trust? × FAQ What is two-factor authentication (2FA)? FAQ What is single sign-on (SSO)? FAQ Authentication vs. authorization FAQ Best practices to prevent data breaches × FAQ How does passwordless authentication work? FAQ Tips for securing cloud-based applications FAQ What is an identity provider? FAQ Tips to choose the best Identity as a Service provider × FAQ What is a one-time password? FAQ What is OAuth? FAQ What is role-based access control? × FAQ What is SAML? FAQ What is token-based authentication?