Felix Gaehtgens is an analyst at Gartner who focuses on identity and access management. He says organizations should use specialized remote access solutions for vendors that are allowed to access OT networks. He also discusses the challenges of setting up PAM for an OT environment and the challenges faced by implementing PAM implementation challenges. GaeHTgens: “One of the primary tasks is to separate the authentication of the person that needs to log in from the actual authentication of the device””]
Source: https://www.databreachtoday.com/using-pam-in-ot-environment-a-16869