Single sign-on (SSO) centralizes session and user authentication services, requiring just one set of login credentials for multiple applications. SSO reduces the risk of lost or weak passwords as well as overhead associated with managing account access. Most SSO products also cost about $8 per user per month but will require more IT manpower to implement. The idea of using MFA used to be mostly for the ultra-paranoid; now it is the minimum for enterprise security, especially considering the number and sophistication of spear-phishing attacks.”]
Source: https://www.csoonline.com/article/3405441/single-sign-on-solutions-how-9-top-tools-compare.html