A company wants to implement an access management solution that allows employees to use the same usernames and passwords for multiple applications without having to keep multiple credentials synchronized. Which of the following solutions would BEST meet these requirements?
A. Multifactor authentication
B. SSO
C. Biometrics
D. PKI
E. Federation
Federation is a type of SSO where the actors span multiple organizations and security domains. In this example, it only consists of a single company. At least that’s my understanding.
why not E?