SSenStone offers a modular user authentication enhancement solution, 'OTAC auth MFA for PLCnext,' through the PLCnext Store, the digital software marketplace of Phoenix Contact in Germany.
You can find detailed tutorial videos on how to use OTAC auth on the Senstone YouTube channel.
1. Installing OTAC auth MFA Server
2. Installing OTAC auth MFA Client
3. Applying licenses on OTAC auth MFA Server & Client
4. Mobile App and User Onboarding setup