October 2019
Intermediate to advanced
350 pages
9h 5m
English
Content preview from Hands-On Internet of Things with MQTT
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Security recommendations
As long as you are prototyping, and no harm can be done when your device is being accessed by third parties, you should protect your messages via a username and a password, which offers basic security. For most prototyping needs, it is probably secure enough.
If you want to add another layer of security, you can encrypt the MQTT payload with an encryption library.
Ask yourself: what could happen if somebody else gained access to my device?
If you are really serious about encryption (which you should be, if real damage could be done if your device was hacked), you should further research how to use SSL/TSL with Arduino MKR WiFi 1010.
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