Security and risk (S&R) professionals must ensure that identity and access information flows seamlessly across system and business boundaries for B2B access, employee single sign-on into cloud apps, mobile app authorization, and more. In this environment, standards and protocols take on an exaggerated importance: The best standards empower firms to control user access in a secure, integrated, and agile fashion. This Techradar provides a fresh assessment of 17 key standards used to help digital businesses achieve a Zero Trust stance in modern identity and access management, and draws lessons from changes seen since the Q4 2014 version of this report.