SECURITY TOKEN BASED USER AUTHENTICATION IN A MULTI-TENANTED APPLICATION

Systems and methods for security token based user authentication in a multi-tenanted application. An access request, from a user, is received to access at least one user account associated with the user in the multi-tenanted application. Upon receiving the access request, a security token is obtained for the user from a Security Token Service (STS) system. The security token is obtained upon authentication of the user based on login credentials provided by the user. Thereafter, a plurality of user accounts associated with the security token is determined. The plurality of user accounts includes the at least one user account. Further, an access to the plurality of user accounts is provided to the user.