Active Directory (ADFS/SAML)
ioGates have the option for companies to use AD/Azure Active Directory to control user access. Active Directory work both for hosted accounts and if ioGates is installed on clients premises.
From Wikipedia
An AD domain controller authenticates and authorizes all users and computers in a Windows domain type networkassigning and enforcing security policies for all computers and installing or updating software. For example, when a user logs into a computer that is part of a Windows domain, Active Directory checks the submitted password and determines whether the user is a system administrator or normal user