This topic is now filed under IEC/TR 62443-3-1 Clause 5 – Authentication and Authorisation.
Continue to IEC 62443-3-1 Clause 5 – Authentication and Authorisation
Related: IEC 62443-3-1 overview | FR 1 | FR 2 | IEC 62443-2-1 Clause 11 | Multi-Factor Authentication (MFA) | ISA/IEC 62443 series