Okta is an enterprise-grade, identity management service that connects any person with any application on any device. It is a secure identity cloud that links all your apps, logins, and devices into a unified digital fabric. Okta is a customizable, secure, and drop-in solution to add authentication and authorization services to your applications. It allows you to connect any application in any language or on any stack to Okta and define how you want your users to sign in. Each time a user tries to authenticate, Okta will verify their identity and send the required information back to your app. Some of the use cases of Okta include adding authentication and authorization to your app, managing the users that access your application, and protecting patient data in the healthcare industry. Okta is widely used in various industries, including education, healthcare, non-profit, financial services, travel and leisure, technology, energy, and government.