Your organization is transitioning to a cloud-based architecture where multiple cloud applications are used by your workforce. To streamline access and improve security, you are tasked with implementing a system that allows employees to log in once and gain access to all the applications without being prompted for credentials repeatedly. Which of the following would be the most suitable solution to achieve this requirement?
Deploying Public Key Infrastructure (PKI) for all the applications
Enabling Multifactor authentication (MFA) on all individual applications
Implementing Single sign-on (SSO) for centralized authentication
Using Security Assertion Markup Language (SAML) as the authentication method for all applications