An SSO ID (Single Sign-On Identity) is a distinct user credential that facilitates single login to multiple applications and services with one login. It improves security by minimizing the use of multiple passwords, decreasing the risk of credential theft and phishing attacks. Organizations enjoy simplified identity management, enhanced user experience, and decreased IT support expenses. But an SSO ID can be a security threat if it is compromised, and it can provide unauthorized access to various systems. To avoid these threats, companies must adopt Multi-Factor Authentication (MFA), impose stringent access controls, and use continuous monitoring to identify and respond to threats.