https://devzone.nordicsemi.com/f/nordic-q-a/107385/mqtt-security-with-jwtHey, With the current mqtt_client library, you can secure your data with an x509 certificate. Is there a way to use a JWT token for authentication?( I have seen that the JWT is already implemented for the nRF CLoud API calls.) There are also quiteen-USTelligent Community 13Mon, 15 Jan 2024 12:24:11 GMThttps://devzone.nordicsemi.com/thread/464164?ContentTypeID=1Mon, 15 Jan 2024 12:24:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:554db314-4a8b-4417-b663-5c2050ae8726Didrik Rokhaug<p>Hi,</p> <p>The JWT is just used as the username or password, so there is nothing stopping you from using JWTs with MQTT in NCS.</p> <p>Just note that the mqtt_helper library doesn&#39;t support setting the password field (per NCS 2.5.0), so if you need to use that field, you must either modify the mqtt_helper library, or use the mqtt_client library directly.</p> <p>Best regards,</p> <p>Didrik</p><div style="clear:both;"></div>